increasing global urbanization causes associated problems such as the formation of urban heat islands. (a) describe how urbanization leads to the formation of urban heat islands. (b) urban heat islands have been linked to a variety of environmental problems. (i) propose a reasonable solution that could help lower the temperature increases caused by urban heat islands

Answers

Answer 1

(a) Urbanization leads to the formation of urban heat islands due to several factors.

(b) Urban heat islands have been linked to environmental problems such as increased energy consumption, elevated air pollution levels, and compromised human health.

(a) The replacement of natural surfaces with impervious materials like concrete and asphalt reduces the area available for vegetation, which contributes to decreased evapotranspiration and reduced cooling effects.

Additionally, the construction of buildings and infrastructure absorbs and retains heat, leading to higher temperatures within urban areas. The concentration of human activities, energy consumption, and industrial processes in urban areas also contribute to increased heat production, further exacerbating the urban heat island effect.

(b) To help lower the temperature increases caused by urban heat islands, a reasonable solution is the implementation of green infrastructure. This includes the strategic planting of trees and vegetation, creation of green spaces, and use of reflective or cool materials for building surfaces. These measures can enhance evapotranspiration, provide shade, and mitigate heat absorption and radiation.

Additionally, implementing cool roof technologies and promoting energy-efficient building designs can reduce energy consumption and decrease the urban heat island effect. Green infrastructure not only helps to lower temperatures but also provides numerous co-benefits such as improved air quality, enhanced aesthetics, and increased resilience to climate change impacts.

To learn more about global urbanization, here

https://brainly.com/question/31610065

#SPJ4


Related Questions

HELP!! 100 POINTS AND BRAINLIEST!!!

Choose three possible solutions to the problem. (immigration to the us). Briefly compare and contrast the advantages and disadvantages associated with these solutions. In the table below note three advantages and disadvantages for each solution. BE sure to use research to support your claims.

Answers

Answer:

What are the advantages and disadvantages of immigration?

Immigration can give substantial economic benefits – a more flexible labour market, greater skills base, increased demand and a greater diversity of innovation. However, immigration is also controversial. It is argued immigration can cause issues of overcrowding, congestion, and extra pressure on public services.

Explanation:

HELP!! 100 POINTS AND BRAINLIEST!!!Choose three possible solutions to the problem. (immigration to the
HELP!! 100 POINTS AND BRAINLIEST!!!Choose three possible solutions to the problem. (immigration to the

Lena’s assignment is to write about the pros and cons of a shorter school year. She needs to begin her paper with an introduction, follow it with an explanation, and wrap it up with a conclusion. Which best describes this arrangement? text structure organizational aid graphic organizer Venn diagram

Answers

Answer:

text structure

Explanation:

Based on the given information, what best describes this arrangement is text structure. Thus the correct option is A.

What is text structure?

A text structure is defined as a pattern or sequence followed while writing any text which helps in defining its structure in an easy manner and interpreting the meaning clearly and effectively.

Any topic's conclusion gives information about the subject, including the major point, which aids the reader in evaluating the topic's advantages and disadvantages and formulating a conclusion as a result.

In the given case, it is explained that Writing about the positive and negative aspects of a shorter academic year is Lena's assignment. She requires an introduction, an explanation, and a conclusion at the start of her paper which signifies the traits of text structure.

Therefore, option A is appropriate.

Learn more about the Conclusion, here:

https://brainly.com/question/24694334

#SPj3

WHAT IS THE PRECISION OF THE TRAVERSE? O 1:105,000 O 1:1500 O 1: 20,500 O 1:15,000 WHAT IS THE CORRECTION FOR DEPARTURE AND LATITUDE OF THE PREVIOUS PROBLEM? 0.035 M and 0.025 M O 0.16 M and 0.003 M O 0.08 M and 0.15 M -0.016 Mand -0.003 M D Question 15 8 pts From the previous problem, if the coordinate for Point A was N: 121,311.411 M and E: 310,630.892 M, what is the coordinate for point C? ON: 121,625.193 M and 310,851.89 M N: 121,708.396 M and 310,229.785 M O N:121,824.38 ME: 310,551.751 M 121,559.72 M and 310,531.317 M What is the corrected length of Line EA? 295.178 M 269 M 350.123 M O 267.523 M What is the value of angle D? O 46 degrees 03' 19" 46 degrees 03' 31" 46 degrees 03' 42" 0.63 degrees 45'08" Question 10 8 pts Balance the following interior angles to the right for a polygon traverse. Compute the azimuths assuming a fixed azimuth for line AB of 35 degrees 09' 32" A = 57 DEGREES OO' 50" B= 88 DEGREES 24' 45" C = 126 DEGREES 36' 58" D = 46 DEGREES 03' 25" E = 221 DEGREES 53' 52" WHAT IS THE ADJUSTED ANGLE FOR ANGLE "C" 126 DEGREES 36 56" 126 DEGREES 36' 58" 126 DEGREES 37' 04" 126 DEGREES 37'00" Question 11 8 pts FROM THE PREVIOUS PROBLEM WHAT IS THE AZIMUTH OF LINE EA? 338 DEGREES 08' 40" O 116 DEGREES 14' 46" 158 DEGREES 08' 40" O 518 DEGREES 08' 40"

Answers

we need to apply the corrections to the coordinates of point A. Given that the coordinates of point A are N: 121,311.411 M and E: 310,630.892 M, the corrected coordinates for point C are N: 121,625.193 M and E: 310,851.89 M.

The precision of the traverse is given as 1:15,000.

The correction for departure is 0.035 M and the correction for latitude is -0.003 M.

The corrected length of Line EA is 267.523 M.

The value of angle D is 46 degrees 03' 42".

To balance the interior angles, we need to adjust angle C. The adjusted angle for angle C is 126 degrees 36' 56".

From the previous problem, the azimuth of Line EA is 338 degrees 08' 40".

learn more about azimuth here :

https://brainly.com/question/13267292

#SPJ11


How is the magnetic field changing?

Answers

The Earth's magnetic field is constantly changing, although the rate at which it changes varies over time. The Earth's magnetic field is created by the movement of molten iron in its core, which generates electric currents that produce a magnetic field. The field is not constant, and it can change in both intensity and direction.

There are several factors that can affect the Earth's magnetic field, including changes in the Earth's core, solar wind, and the movement of tectonic plates. The Earth's magnetic field has reversed multiple times in the past, with the north and south magnetic poles swapping positions.

Refer to the graph that shows travel-time curves in the province of Batangas.The travel time shows that the P-S wave interval is about 5 minutes. What is the distance of the epicenter from the seismogram?​

Answers

Answer:

Seismology is the study of earthquakes, their effects, and seismic waves. The location of an earthquake's epicenter (point on the earth's surface directly above the location of rupture or faulting) can be determined using information about two of these seismic waves.

Explanation:so easy

The waves created by an earthquake are used in determining the location of the earthquake

The distance of the epicenter from the seismogram is 3,000 km

The reason the given distance of the epicenter of the earthquake from the seismogram is correct is as follows;

The given parameter is as follows;

The P-S wave interval = 5 minutes

Required:

To find the distance of the epicenter

Solution:

The relationship between P-S wave interval and distance of the epicenter, is 1.5 minutes = 900 km

Therefore, given that the P-S wave interval, we have;

1.5 minutes = 900 km

The distance of the epicenter from the seismogram, d, given that the P-S interval is about 5 minutes, is given as follows;

\(d= \dfrac{900 \ km}{1.5 \ min} \times 5 \ minutes = 3,000 \ km\)

Therefore;

The distance of the epicenter from the seismogram, d = 3,000 km

Learn more about P and S waves here:

https://brainly.com/question/19236280

What is the approximate altitude of Polaris when viewed from New York City?

Answers

Answer:

gcgcychcd b home at like a plan for the first time I was just wondering if you want to be a good days and I don't have any money

La Paz is similar to which country in the world?

Answers

Answer: Bolivia's capital is La Paz

What happens to the shape of a substance in a Solid Phase ?

Answers

Answer:

It gets tighter and gets bigger.

Explanation:

in which mountain range babusar pass of pakistan is located?​

Answers

Answer:

Kaghan Valley ------ Mountain pass in Asia

Explanation:

Babusar Pass is a mountain pass in Pakistan and along Kaghan Valley, connecting it to the Thak Nala with Chilas on the Karakoram Highway.

Hope this helps!

course hero the well data indicate that the top of the water table is deepest in which general area of the map? a) northeast corner of the map b) southeast corner of

Answers

The northeast portion of the map is the general area where water table is at its deepest, in accordance with the well data.

An easy definition of a map

This map, which is often drawn on a horizontal plane, is a visual representation of specific qualities of a region. Maps give clear, observable information about the world. To explain about it, they give examples of the shapes and sizes of the world's countries, as well as the placements of its features and the lengths between regions.

What makes it a map?

The word "map" originates from the old Latin phrase mappa mundi, where mappa denoted a cloth or napkin but mundi denoted the entire world. As a result, the word "map" was shorthand for a two-dimensional rendering of the earth's surface.

To know more about Map visit:

https://brainly.com/question/1565784

#SPJ4

The largest portion of energy in the food system is consumed by household storage and preparation.

a. True
b. False

Answers

This is a true statement

usually lakes are smaller and shallower than ponds. true false

Answers

The given statement, "Usually lakes are smaller and shallower than ponds," is false because it contradicts the general characteristics and definitions of lakes and ponds.

In general, lakes are larger and deeper than ponds. Lakes are typically large bodies of freshwater or saltwater that are surrounded by land and have substantial surface areas and depths. They often result from geological processes such as tectonic activity or glacial activity.

On the other hand, ponds are smaller and shallower bodies of water compared to lakes. Ponds are often formed by various natural processes such as precipitation, groundwater seepage, or human intervention. While the specific size and depth can vary, ponds are typically characterized by their smaller size and shallower depths compared to lakes.

To know more about lakes , click here.

https://brainly.com/question/9061111

#SPJ4

how human activities seriously affect the water resources

Answers

Answer:

Human activities have a profound impact on water resources through pollution, overuse, and mismanagement. Industrial and agricultural activities release pollutants into water bodies, compromising water quality and harming aquatic ecosystems. Excessive water withdrawal for various purposes, coupled with inadequate water management practices, leads to the depletion of rivers, lakes, and underground aquifers. Deforestation and land use changes disrupt the water cycle, causing soil erosion, reduced groundwater recharge, and altered river flows. Climate change further exacerbates the situation by altering precipitation patterns and increasing the frequency of extreme weather events, impacting water availability and quality. Invasive species and habitat destruction also contribute to water resource degradation.

Explanation:

Human activities such as industrialization, urbanization, and agriculture have a significant impact on water resources. These activities can cause water pollution, depletion of groundwater, and changes in the natural flow of rivers and streams. For example, industrial and agricultural chemicals can contaminate water sources, making them unsafe for human consumption and damaging ecosystems. Urbanization can lead to increased runoff and flooding, while also increasing water demand. All of these factors can have serious consequences for both human health and the environment.

How are igneous rocks formed?​

Answers

Explanation:

Igneous rocks form when magma (molten rock) cools and crystallizes, either at volcanoes on the surface of the Earth or while the melted rock is still inside the crust. All magma develops underground, in the lower crust or upper mantle, because of the intense heat there.

hope it helps u

pls mark me as branliest

Answer:

Igneous rocks are formEd from the cooling and solidification of lava or magma. Furthermore, there are two types of igneous rocks: intrusive and extrusive.

Intrusive igneous rocks are formed when magma cools slow and it forms large crystals.

Extrusive igneous rocks are formed when lava cools quickly and forms small or no crystals. It may be vesicular meaning that it may contain air bubbles.

What is the name for the gaseous sphere surrounding Earth?
A. Hydrosphere
B. Biosphere
C. Geosphere
D. Atmosphere

Answers

(D) atmosphere, earths atmosphere is a layer of gases surrounding the planet earth and retained the earths gravity.

The name of the gaseous sphere surrounding Earth is the atmosphere. Thus, the correct option is (D).

A layer (or layers) of gases that surround a planet and are kept in place by the gravity of the planetary body is known as an atmosphere.

When gravity is high and the temperature of the atmosphere is low, a planet keeps an atmosphere.

The layers of gases that surround a planet or other celestial bodies comprise the atmosphere. About 78% of the gases in the Earth's atmosphere are nitrogen, 21% are oxygen, and 1% are other gases.

Therefore, the correct option is "D".

To know more about the Atmosphere, visit:

https://brainly.com/question/32358340

#SPJ6

Which is Mississippi's least productive soil region?

Answers

It is The Upper Coastal Plain nd Interior Flatwoods.

Answer:

Flatwoods Region

known as the least productive soil regions because of the non-fertile gray soil

Explanation:

What is the term for a physical feature of great height that separates river systems which travel in opposite directions?
Answer options:
Summit
Divide
Moraine
Ridge

Answers

Answer:

Divide

Explanation:

what is 52% as a fraciton in simplest form

Answers

Answer:

13/25

Explanation:

52/100 = 13/25

13/25 is the simplest form of the equation tho.

Answer:

13/25

Explanation:

52%=52/100

is also 0.52 because

0.52/1*100/100 equals 52/100 which simplified is 13/25

Imagine that an impact occurred on the continental plate millions and millions of years ago, leaving behind an impact crater near the right side of the base of the volcano. Why would there be little evidence of this impact crater found today

Answers

Answer:

erosion would erode the surrounding area making less obvious and filled in by hardened magma leaving volcano over millions of years i think. Would leave little impact of the crater. Also growth of plants over years in ash-rich, fertile soil

Explanation:

Volcanic craters may be connected with a cone or flanks. Flows may also be present. Impact craters can be distinguished from volcanic craters by having center peaks, ejecta, high rims, and floors that are lower in elevation than the surrounding topography.

What is a volcanic crater called?

A caldera is a depression formed when a volcano's magma chamber is emptied in an explosive eruption. Without any structural support below, the terrain surrounding the erupting volcanic vent or vents collapses internally, forming the bowl-shaped caldera.

When an asteroid or meteorite collides with the surface of a bigger solid object, such as a planet or moon, an impact crater is generated. This item must be moving extremely fast—many thousands of miles per hour—in order to generate a proper impact crater.

Learn more about volcanic craters here:

https://brainly.com/question/9308394

#SPJ5


Which process is a form of mechanical weathering?

Answers

Explanation:

Mechanical Weathering Mechanical weathering, also called physical weathering and disaggregation, causes rocks to crumble. Water, in either liquid or solid form, is often a key agent of mechanical weathering. For instance, liquid water can seep into cracks and crevices in rock.

explain the difference between wild and domesticated animals and plants.​

Answers

Answer:

the demesticated animals and plants arent wild and are eaither safe to eat or to keep as pets

Explanation:

Answer:

Well, here is an example of a major difference between a domestic and wild animal.

Explanation:

Wild horses handle their hooves by traveling long distances (usually around 20 - 50 miles a day) over rough ground. This keeps their hooves healthy by building hard, durable hooves that don't need shoeing or annual trimming of the hoof. Also, natural selection only permits the survival of the strongest and the fittest. So wild horses also tend to have genetically healthier hooves.

However, our domesticated horses are not typically born with hooves like their wild cousins because they are bred for other traits and other reasons and don't have access to the same environment as wild ones do, such as rough terrains and the possibility to roam on long distances. This means more fragile hooves that require our care to keep them healthy.

Have a great day!

Higher places experience cooler temperatures and high amounts of precipitation in
the form of snow. Thin air in higher areas lacks ability to hold heat causing both
cooler temperatures and precipitation.

Answers

Answer:

hmm

Explanation:

Which ancient civilization was destroyed by a volcano?

Answers

The ancient civilization destroyed by a volcano was the Minoan civilization. The Minoan civilization, was destroyed by the eruption of the Thera volcano, also known as the Santorini volcano.

The eruption is considered one of the largest volcanic events in human history, causing widespread devastation across the Mediterranean region. The Minoans, who were known for their advanced culture, art, and architecture, were particularly hard hit by the eruption, with many of their cities and settlements destroyed by the ensuing tsunami and ashfall. The eruption of the Thera volcano is believed to have had a significant impact on the region, leading to environmental and social changes that may have contributed to the decline of the Minoan civilization. The event is also thought to have influenced the myth of Atlantis, which was described by the ancient Greek philosopher Plato as a legendary civilization that was destroyed by a catastrophic event.

learn more about philosopher here:

brainly.com/question/706359

#SPJ4

The most common type of aquifer is a(n) ______ aquifer, in which the water-bearing unit is open to Earth's surface and atmosphere. A(n) ______ aquifer is separated from Earth's surface by rocks of low permeability.

Answers

Answer:

unconfined, confined

Explanation:

These are the diffences between them.

1. Earth Transit Calculate the maximum possible duration of transit of the Earth along the disk of the Sun in the case of observations from the surface of Mars. Assume that the orbits of the planets lie in the plane of the ecliptic; the Earth's orbit is circular. (Hint: The longest transit time of the Earth on the Sun's disk⇒ Mars is in perihelion, and the Earth is in lower contact with the Sun (at this time the Sun's disk has the largest angular size in the Martian sky, and the relative angular velocity of the Earth and Mars is minimal, since Mars and the Earth rotate in orbits in one direction). You may need - Distance of Earth from Sun Distance of Mars from Sun Eccentricity of Mars/Earth Orbit

Answers

Answer:

Explanation:

To calculate the maximum possible duration of the Earth's transit along the disk of the Sun as observed from the surface of Mars, we can use the following information:

Distance of Earth from the Sun: This value is approximately 149.6 million kilometers.

Distance of Mars from the Sun: This value varies due to the elliptical orbit of Mars, but on average it is approximately 227.9 million kilometers.

Eccentricity of Mars/Earth Orbit: The eccentricity of Mars' orbit is approximately 0.0934, while the Earth's orbit is nearly circular with an eccentricity close to 0.

To determine the maximum transit duration, we need to consider the relative angular velocity of Earth and Mars and the angular size of the Sun's disk in the Martian sky.

Given that the Earth is in perihelion and in lower contact with the Sun (which corresponds to the maximum angular size of the Sun's disk in the Martian sky), the relative angular velocity of Earth and Mars will be minimal.

Using the formula:

Transit duration = Angular size of the Sun's disk / Relative angular velocity of Earth and Mars

We can estimate the maximum transit duration. However, precise calculations require detailed values for the angular size and relative angular velocity, which are not provided in the question.

Please note that without specific values for the angular size and relative angular velocity, it is not possible to calculate the exact maximum transit duration.

What do the dates next to nearly all sections of the wall show? (The great wall of china)

Answers

Answer:

The Great Wall of China (traditional Chinese: 萬里長城; simplified Chinese: 万里长城; pinyin: Wànlǐ Chángchéng) is a series of fortifications that were built across the historical northern borders of ancient Chinese states and Imperial China as protection against various nomadic groups from the Eurasian Steppe.

Explanation:

The dates next to all sections of the wall show the years in which these sections were built.

What is the idea of the Great Wall of China?

Under Qin Shi Huang, portions of prior fortifications were connected to create a unified defense structure to stave off invasions from the north around 220 B.C.

The Great Wall was still being built when the Ming dynasty (1368–1644) came into power, making it the biggest military edifice in the world.

The Great Wall depicts the encounters and interactions between agrarian and nomadic cultures in ancient China.

It serves as a significant physical manifestation of the brilliant military architecture, cutting-edge technology, and artistic craftsmanship of the ancient Chinese central empires, as well as their visionary political strategic thinking and powerful military and national defense forces.

As the nation's emblem for ensuring the safety of the nation and its citizens, it reflects a significance that is unmatched.

Check out the link below to learn more about the Great Wall of China;

https://brainly.com/question/3407158

#SPJ2

as rains falls on the surface of the ocean, the salinity of the surface water decreases. what happens to the density of the surface water? (ignore temperature as a factor here.) multiple choice question. there is no change. it increases. it decreases.

Answers

As rain falls on the surface of the ocean, the salinity of the surface water decreases. When salinity decreases, the density of the surface water also decreases (ignoring temperature as a factor).

So, the correct answer is: it decreases.

The major cause of rain production is moisture moving along three-dimensional zones of temperature and moisture contrasts known as weather fronts. If enough moisture and upward motion is present, precipitation falls from convective clouds (those with strong upward vertical motion) such as cumulonimbus (thunder clouds) which can organize into narrow rainbands.

To know more about salinity, click here

https://brainly.com/question/14575146

#SPJ11

Choose the best answer and give a reasonable explanation.

_____________ maps show features of the earth's surface.

Reference

Theme

Political

Physical

Answers

Answer:

Theme maps show features of the earth's surface

Malia writes a letter to the editor of her local newspaper, expressing her opinion on proposed legislation. Based on the rights guaranteed by the Georgia Constitution, Malia is exercising her

Answers

Answer:

she is exersizing hee brain

Explanation:

because she is thinking about alot of stuff

The top few inches of soil high in organic matter that supports plant growth.

· topsoil
· subsoil
· slope
· soil triangle

Answers

Answer:

Topsoil

Explanation:

Topsoil is the outermost layer of soil and is the richest in organic material which helps the growth of plants.

Other Questions
simplify 5x(3x^2+2x-3) dartmouth corporation manufactures two models of office chairs, a standard and a deluxe model. the following activity and cost information has been compiled: number of number of number ofproduct setups components direct labor hoursstandard 19 9 250deluxe 31 18 210overhead costs $50,000 $102,600 number of setups and number of components are identified as activity-cost drivers for overhead. assuming an activity-based costing system is used, what is the total amount of overhead costs assigned to the standard model? 3. Use the rubric in the materials for help if needed to edit the passage.Review and edit the passage below. To show your answer, write the entire passage with all corrections in the space provided.After working for two months on a presentation about a new product line he hoped to develop, Max was excited to present his ideas and hear the responses of hissupervisor and the president of the company. He was eager to answer their questions with impressive additional information and examples. He knew that the product liwould quickly pay for any costs associated with it, and it would begin making a profit after six months of sales, but he planned to save this information to reveal duringfollow-up questions. After his hour-long presentation, Max expected questions, praise, and excitement, but he received only the following feedback.Supervisor: Thanks for your time, Max. Creative, but impractical.President: Looks expensive, Mike, er, Max. Gotta watch the bottom line. Well, back to work.Max feels undervalued and frustrated that his work was given so little thought or consideration, and he is angry with himself for not presenting the important financialinformation within his presentation. His employers left the presentations questioning why Max would have wasted time and effort on such a costly suggestion. Is this anexample of misinformation, misinterpretation, or other factors? Explain why this presentation failed to create a collaborative result for Max and his company, citingexamples from the scenario in your analysis.B i V Font FamilyAA ASE1PREVIOUS3 of 25NEXTSAVEType here to searchRI 276F Sunny D640 of HELP PLEASE!!!!!!!1.What linear equation in slope-intercept form does this graph represent? 2.What was your thought process? Explain how you found your equation. Use complete sentences in your response. 3a. Write a real-world situation that could be modeled by this linear equation. (Your real-world example should be different from other posts.)3b. Explain how you labeled the X axis and Y axis based on the situation you wrote in 3a. The reason why the puritans of new England did not have slaves was because: They were all Abolitionists They had a work ethic which expected everyone including children to work They did not grow cash crops They were too far away from the slave routes Help need help cause I dont understand stand After 4 years of night school and nearly half a year waiting for the results of the bar examination, you have been admitted to practice law in your state. You decide that you have to keep your current government job while, hopefully, establishing your law practice. To do a first class job for the client, you need first class equipment i.e., good computers and printers, fax machines, etc. You stay late at the office each day to complete work on your pleadings, and you create a database on your computer to keep track of your contacts and cases. Is this an acceptable temporary solution 3/8 divided by 1/2 equals what Each school year, the seventh graders who study Life Science participate in a special field trip to the city zoo. In 2010, the school paid $1,260 for 84 students to enter the zoo. In 2011, the school paid $1,050 for 70 students to enter the zoo. In 2012, the school paid $1,395 for 93 students to enter the zoo. A. Is the price the school pays each year in entrance fees proportional to the number of students entering the zoo? Explain why or why not. A square is cut diagonally into two equal parts. If each part has an area of 50cm^2, then what is the perimeter of each part?50 points the answer isnt 30 so dont say it is because it isnt PLEASE HELP!Find the value of z. A. 40 B. 80 C. 56 D. 62 write the relation between degree measure and grade measure of an angle A lack of interest in things, wanting to avoid people, hallucinations, delusions, and/or disorganized thinking and speech, are possible symptoms of what mental health disorder? Which of the following conditions is characteristic of a monopolistically competitive firm in short-run equilibrium? Positive or negative profit in the short run and a zero profit in the long run. if there is 495,523 x 2-3x8 divided by 5 with ramanders Which statement best describes a dynamic character? The possibility that mortgages will prepay and force investors to seek alternative investments, usually with lower expected returns, is called _____; the percentage of the total loan paid back immediately when a mortgage loan is obtained, which lowers the annual interest rate on the debt, is called _____.interest-rate risk; down paymentprepayment risk; discount pointsprepayment risk; down paymentinterest-rate risk; discount points Consider the following reaction:2Al (s) + 6HCl (aq) 2AlCl3 (aq) + 3H2 (g).A 0.080 mole piece of aluminum reacted completely in 20 s.The rate of formation of hydrogen gas is: how many peaks would you expect in the c13 nmr of phenylethylamine? Prove that the distance of the focus from the intersection of two tangents to a parabola is a geometric mean proportional to the focal radii of the points of contact