some astronomers searching for what the mysterious "dark matter" might be made of have pinned their hopes on macho’s (massive compact halo objects). what do they think these macho’s are?
Answers
In the context of dark matter research, MACHOs (Massive Compact Halo Objects) are hypothetical astronomical objects that have been proposed as a possible explanation for dark matter.
What is MACHO?Astronomers looking at MACHO as a possible solution suggest that these objects may consist of ordinary matter in the form of non-luminous compact bodies.
Examples of MACHO are celestial bodies such as black holes, brown dwarfs, or giant planets that do not emit enough light or radiation to be easily detected using conventional observational methods. These objects are distributed in the galactic halo, the region around the galaxy, and their gravitational effects may be responsible for the observed gravitational lensing and other indirect evidence of dark matter.
It is important to note that MACHO is only one of the proposed dark matter candidates, and its existence and contribution to the total dark matter mass of the universe are still unknown. Other candidates, such as Weakly Interacting Massive Particles (WIMPs), are also being studied by scientists to better understand the nature of dark matter.
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Related Questions
Need help asap pleaseee!!!
physical science
Answers
Answer: look it up
Explanation:
Which planet in the solar system takes the least time to revolve around the sun?.
Answers
Mercury in the solar system takes the least time to revolve around the sun.
Mercury takes 88 Earth days to complete one orbit around the sun. That is, a year for Mercury is 88 Earth days and therefore, the shortest of all the planets. The reason behind is Mercury being the closest planet to the Sun.
The closer a planet is to the Sun, the faster it travels. Since Mercury is the fastest planet and has the shortest distance to travel around the Sun, it has the shortest year of all the planets in our solar system – 88 days.Mercury is the smallest planet in our solar system. It's a little bigger than Earth's Moon. It is the closest planet to the Sun, but it's actually not the hottest. Venus is hotter.to know more about solar system click here
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The majority of gold extracted from Kern County came from * O placer deposits in the Kern River. O placer deposits near Havilah. O underground mines in the Rand District. O underground mines in the Southern Sierra Mountains.
Answers
The majority of gold extracted from Kern County came from placer deposits in the Kern River. Placer deposits are formed when water carrying gold erodes and transports the gold fragments, which then settle into riverbeds or other areas where water flow slows down.
The Kern River is known for its rich deposits of gold, and during the California Gold Rush in the mid-1800s, many miners flocked to the area in search of their fortunes. The town of Havilah, located in the southern part of Kern County, also had significant placer deposits nearby. While there were some underground mines in the area, they did not produce as much gold as the placer deposits.
Overall, the Kern River and its surrounding areas were the primary sources of gold extraction in Kern County.
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When the Bermuda High is at its smallest, what path shown in the figure is a hurricane most likely to follow
Answers
Hurricanes are pushed around like corks in a river by large high and low pressure weather systems.
When the Bermuda High is at its smallest?The flow that directs the movement of weather systems (including hurricanes). Hurricanes are pushed around like corks in a river by large high and low pressure weather systems.
The "Bermuda High," also known as the "Subtropical High," is surrounded by air that moves clockwise in the North Atlantic Ocean.Hurricanes are typically pushed westward by high pressure in the tropical Atlantic, where they are then directed northward to skirt the west side of theBermuda's reefs often provide good protection, although storm surges and big waves can be problematic in low-lying places near to the water. Although they are less frequent than in the Caribbean, hurricanes do occasionally make an appearance on our island about once every seven years.Hurricane Paulette, a category 2 hurricane, makes direct landfall in Bermuda. Power was cut off to 70% of the island, and wind gusts of 115 mph were recorded.Because the area of greatest potential effect is created by the combination of wind speeds and the storm's movement speed.Where in a hurricane are tornadoes most likely to be incorporated. due to frictional drag caused by weaker air winds at the time of touchdown, in the right-front quadrant.Learn more about Bermuda High here:
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Is the density of an object and the hardness of an object related? Why or why not? PLZZZ
Answers
Yes, Density is directly related to the mass and the volume. In fact, it tells us of the exact relationship between the two. To find an object's density, we take its mass and divide it by its volume
Answer:
Answer Wiki. Since hardness measurement involves only surface of the material, bulk density of the material does not have any explicit relation with the hardness. Materials are usually subjected to microstructural and/or chemical changes in the surface by carbiding, nitriding and other processes, many times by cold working.
Explanation:
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Which of the following rises due to increased education for women?
Answers
where are the choices
which action is the primary cause of air pollution?(1 point) responses the depletion of the ozone layer the depletion of the ozone layer the runoff of pesticides and fertilizer from farms the runoff of pesticides and fertilizer from farms the burning of fossil fuels the burning of fossil fuels the runoff of oil and chemicals during storms
Answers
The primary cause of air pollution is the burning of fossil fuels. Fossil fuels, such as coal, oil, and natural gas, are extensively used for energy production, transportation, and industrial processes. When these fossil fuels are burned, they release pollutants into the atmosphere, contributing to air pollution. These pollutants include carbon dioxide (CO2), nitrogen oxides (NOx), sulfur dioxide (SO2), and particulate matter, among others.
The burning of fossil fuels releases large amounts of carbon dioxide, a greenhouse gas that contributes to climate change and global warming. It also releases nitrogen oxides and sulfur dioxide, which are responsible for the formation of smog and acid rain. Additionally, the combustion of fossil fuels produces fine particles and harmful chemicals that can have detrimental effects on human health, leading to respiratory problems and other illnesses.
The widespread use of fossil fuels in various sectors, such as transportation and energy generation, has resulted in significant air pollution issues worldwide. Efforts are being made to reduce reliance on fossil fuels and transition to cleaner and more sustainable energy sources, such as renewable energy. These measures aim to mitigate the negative impacts of air pollution and address the environmental and health challenges associated with the burning of fossil fuels.
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Which of the following scenarios would most likely occur if immigrants opened a restaurant featuring their native cuisine in a small town in America? (For example, Chinese immigrants move to a small town in Texas and open a Chinese restaurant).
A.
They would get little interest, as Americans generally do not like foreign cuisines.
B.
The dishes would remain essentially the same.
C.
The dishes would be changed to reflect the tastes of the new location.
D.
The dishes would be the same in a small town as they would in an enclave.
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Answer:B
Explanation:Its your own culture so nothing should really affect
Answer:
The answer you are looking for is NOT B, the correct answer is C
Explanation:
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Edit: 100% on Edg
Timeline of events before, during and after the volcan de fuego eruption in Guatemala.
Please be thorough.
Thank u
Answers
Answer:
Volcan de fuego is a active and violent volcano.
Explanation:
The volcanic eruption of Guatemala took place on June 3rd, all spread in all directions and covered all areas. Fast-moving hot and gases volcanic rock mixed with the air and formed a toxic landslide. The volcanic eruption took place in 2018, with the explosion and pyroclastic flows. First, the volcanic eruption took place at 12.00 local time and produces an ash column up to 15 km in height. Destroying a large number of areas. The eruption continued on 5 th June occurring immediately. On 8 June evacuation work started and on 9 June the lahars due to the volcano prevented the rescue operations of Santa Lucia. Causing the death of 70 people. Again eruption occurred on Nov 18, 20182 when the volcano entered into a new stage of eruption. The volcano killed 190 people, 57 were injured and 300 people were missing.-Democracy was introduced in Athens
-The Romans created a representative democracy
-the British implemented representative democracy
-the United States has the longest running democratic republic in the
world.
The list above describes the geographic concept of -
a) cultural divergence
b) spatial diffusion
c) spatial assimilation
d) human-environment interaction
Answers
Answer:
A)
Explanation:
As mentioned previously, the cost-benefit analysis of pollution control is just one answer in determining how much energy and money should be spent on reducing SO. emissions and, thus, its effects on the environment, For example, through the 1970s and 1980s, EPA regulations reduced so emissions primarily by mandating many large, coal-burning power plants to install specific, and often very expensive, equipment. By the late 1980s, these facilities knew of less expensive options for reducing so emissions but had no incentive to adopt them Which of the following best describes the economic tool used by the EPA through the 1970s and 1980s to reduce so emissions? O Incentive-based environmental regulations Cap-and-trade approach Command-and-control solutions Besides being an expensive tactic, what is another major limitation to this approach Discourages the development and employment of innovative pollution control technologies Focuses on buying goods instead of leasing services Requires continual monitoring of resource-use permits
Answers
The economic tool used by the EPA through the 1970s and 1980s to reduce SO emissions is Command-and-control solutions. Command-and-control regulations are usually required for sources that are challenging to control, and their effectiveness is increased with the number of pollutants released and the number of sources. Cap-and-trade approach and incentive-based environmental regulations are more flexible economic tools used to reduce emissions of pollutants.
Cap and trade is a market-based tool that reduces emissions while encouraging business growth and economic development. The reduction of greenhouse gas emissions is achieved by setting a limit on the amount of pollutants that can be released and allowing companies to trade emissions permits. Companies that exceed their emissions cap must either reduce their emissions or purchase additional permits. Cap and trade allow the free market to determine the most efficient way to reduce pollution.
Incentive-based environmental regulations include a wide range of economic tools such as taxes, subsidies, and marketable permits. Such regulations attempt to give incentives to individuals and businesses to engage in activities that reduce pollution. This can include tax credits for purchases of environmentally friendly products or for investing in clean technology.
However, being an expensive tactic, the other major limitation to the Command-and-control approach is that it discourages the development and employment of innovative pollution control technologies. The significant expense of pollution-control equipment installation and operation, and the legal risks associated with noncompliance, discourage companies from investing in more efficient and cost-effective pollution-control technologies.
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Quick, please, who operated the Underground Railroad?
Answers
Answer:
Harriet Tubman
Explanation:
the intertropical convergence zone is characterized by: group of answer choices convergence and uplift of warm surface air. convergence and subsidence of cold surface air. divergence and subsidence of cold surface air. divergence and uplift of warm surface air.
Answers
"The intertropical convergence zone is characterized by convergence and uplift of warm surface air." Option A is correct.
The area where the trade winds from the Northern and Southern Hemisphere converge is known as the Intertropical Convergence Zone, or ITCZ, and it circles the Planet close to the equator. The equatorial region's scorching sun and balmy waters heat the ITCZ's air, increasing its humidity and giving it a buoyant quality.
The Inter Tropical Convergence Zone, also known as the ITCZ, is a low-pressure area that circles the Earth usually close to the equator and is the meeting point of the trade winds from the Northern and Southern Hemispheres. It is characterised by cloud activity, which frequently results in intense thunderstorms over wide swaths of terrain. So, the best choice is A.
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Which segment is an angle bisector?
V
48
W
48
x
U
Y
Answers
\(\Huge\bf \rightarrow \mid\mathcal{\underline{ \red{Answer}}} \mid\)
The definition of the angle bisector of a triangle is a line segment that bisects one of the vertex angles of a triangle.
In general, an angle bisector is equidistant from the sides of the angle when measured along a segment perpendicular to the sides of the angle.PLEASE HELP ASAP IM TAKING A TEST PLSPLS I WILL GIVE BRAINLIEST
What special physical property of the upper mantle supports the Theory of Plate Tectonics?
Answers
Lithosphere
The lithosphere is the solid, outer part of the Earth, extending to a depth of about 100 kilometers (62 miles). The lithosphere includes both the crust and the brittle upper portion of the mantle. The lithosphere is both the coolest and the most rigid of Earth’s layers.
the earth is the only habitable planet in the solar system justify statement
Answers
Answer:
it supports life
Explanation:
because there is water and it is the only planet that has suitable climate for human beings and other living creatures
Answer:
If the pressure were any lower or higher like other planets, humans wouldn't be able to survive. Earth is also rich in oxygen.
who coined the term cell?
Answers
Answer:
Robert Hooke coined the term cell
Explanation:
a reduction in the strength of the gulf stream and a decrease in north atlantic deep-water formation would most likely result in:
Answers
Answer: A cooling climate in northern Europe.
Explanation: Hope it helps: )
If the plant uses ten sedimentation basins with an overflow rate of 15 m3/day/m2, what should be the surface area (m2) of each tank
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The surface area of each sedimentation basin should be approximately 33.33 m2 to achieve the desired retention time and treatment capacity based on the given overflow rate.
To determine the surface area (m2) of each sedimentation basin, we need to know the total volume of water to be treated and the desired retention time in the basins. The overflow rate alone is not sufficient to calculate the surface area.
The overflow rate (Q) is the flow rate of water per unit area and is typically expressed as m3/day/m2. It represents the maximum flow rate that can be treated per unit area while maintaining proper sedimentation and settling.
If we have the total volume of water to be treated (V) and the desired retention time (t) in the basins, we can calculate the required surface area (A) using the formula:
A = V / (Q * t)
For example, if the total volume of water to be treated is 1000 m3 and the desired retention time is 2 days, and we have ten sedimentation basins with an overflow rate of 15 m3/day/m2, we can calculate the surface area of each basin as follows:
A = 1000 / (15 * 2) = 33.33 m2.
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Through which capital cities would a person pass if they traveled directly from Astana to Afghanistan?
Answers
A person traveling directly from Astana, Kazakhstan to Afghanistan would not pass through any capital cities.
Astana is the capital city of Kazakhstan, and Afghanistan is a country located to the south of Kazakhstan. There are no countries between the two that have a capital city through which a direct route would pass.
The most direct route would likely involve flying or driving through rural areas of Kazakhstan and then crossing the border into Afghanistan. Depending on the specific location in Afghanistan that the person is traveling to, they may pass through various cities and towns, but none of these would be a capital city as Afghanistan is composed of 34 provinces each one of them has its own capital.
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For rivers and streams that flow into the ocean, the ultimate base level of a stream valley can be no lower than
Answers
The ultimate base level of a stream valley can be no lower than sea level for rivers and streams that flow into the ocean.
Base level is the lowest point to which a river can erode its channel. For rivers and streams that flow into the ocean, the ultimate base level is sea level. This means that the river or stream cannot erode its channel below sea level. However, the base level can be affected by changes in sea level due to natural processes or human activities. For example, if sea level rises, the base level will also rise, and the river or stream will respond by adjusting its channel profile. Similarly, if a dam is constructed on the river, the base level will rise upstream of the dam, and the river will adjust its profile accordingly. Understanding the concept of base level is important for studying the geomorphology of rivers and streams.
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The Once-ler's business failed. What happened to cause the failure of this business?
Answers
Answer:
The Once-ler's business failed because they used up all the natural resources around them that he could use to make his product. The area became polluted and all the trees were cut down causing the business to fail.
Explanation:
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List 10 trees that grow in Nigeria. ASAP IT'S MY HOMEWORK! !!
Answers
Answer:
Look in the explanation box for the answer :)
Explanation:
-African White Mahogany
-Light Bosse
-Nganda Coffee
-Ube
-Yohimbe
-African Corkwood
-Rogon Daji
-Purple Plume Grass
-Anthonotha macrophyll
-West African Piassava Palm
Hoped this helps :)
Answer:
-African White Mahogany
-Light Bosse
-Nganda Coffee
-Ube
-Yohimbe
-African Corkwood
-Rogon Daji
-Purple Plume Grass
-Anthonotha macrophyll
-West African Piassava Palm
Explanation:
1 Country and so many trees
If x = 9 units, y = 3 units, and h = 11 units, find the area
Answers
Answer:
297 units^2
Explanation:
Let's keep the area or volume as 'v'
\(v = x \times y \times h\)
So if we substitute in the values we get,
\(v = 9 \times 3 \times 11\)
\(v = 297\)
So therefore, the total volume is 297 units^2
Which of the following statements accurately describe(s) the depth and height of Earth's surface as shown on the hypsographic curve?-The percentage of Earth's surface above sea level is 29.2%.-More people have been to the top of the tallest mountain on Earth than have been to the bottom of the deepest trench-The average depth of the ocean is much greater than the average height of land.
Answers
Among the given statements, the first and third statements accurately describe the depth and height of Earth's surface as shown on the hypsographic curve. The second statement is not accurate.
The first statement, is accurate. This means that approximately 29.2% of Earth's surface consists of land above sea level, while the remaining 70.8% is covered by oceans.
The third statement is also accurate. The average depth of the ocean is around 3,800 meters (12,467 feet), while the average height of land is much lower, with the highest peak being Mount Everest at 8,848 meters (29,029 feet) above sea level. This indicates that the ocean's depths are generally greater than the heights of land.
However, the second statement is not accurate. In reality, fewer people have reached the summit of Mount Everest compared to the number of individuals who have descended to the bottom of the deepest trench, the Mariana Trench, located in the western Pacific Ocean.
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Reflection Prompt:
How do the economic situations of a country/region affect the population?
Answers
Higher wages tend to increase the cost of having children, lower the desire for children, and restrict population growth.
What is Population?The term "population" is frequently used to describe the total number of people living in a particular location. To estimate the number of the resident population within a certain territory, governments conduct censuses.
A population is a collective group you are interested in judging. A sample is a particular group from whom you will collect data. Every single time, the sample size is less than the whole population. In research, a population is not typically used to refer to individuals.
Which three elements influence population?
This equation states that there are three variables that can affect population change: (1) migration patterns; (2) natural increases in birthrates; and (3) natural decreases in death rates.
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The economic situation of a country or region can significantly impact the population in several ways. A strong economy can lead to job growth, rising wages, and increased consumer spending, which can lead to a higher standard of living and overall well-being for the population. On the other hand, a struggling economy can result in high unemployment, reduced consumer spending, and a decline in the standard of living. This can lead to poverty, hunger, and homelessness, and put strain on the health and social systems of the country. Furthermore, economic disparities within a region can cause social unrest and political instability, which can further affect the population's quality of life. Ultimately, the economic situation of a country or region can have a profound impact on the population and their standard of living.
how I can improve my geography marks
Answers
Explanation:
To learn geography, start by studying maps of the country, continent, or region you want to learn about. You can also use apps and software to help you memorize geographical information. Next, print out blank maps of the area and try to fill them out without referencing your study materials to test your memory.
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what mountain chain runs through switzerland, austria, france & italy? _______
Answers
The mountain range that runs through Switzerland, Austria, France, and Italy is the Alps. The Alps is a mountain range that stretches approximately 750 miles across Europe.
It covers eight different countries, including France, Italy, Switzerland, Austria, Germany, Slovenia, Liechtenstein, and Monaco. The highest peak in the Alps is Mont Blanc, located on the border between France and Italy.The Alps mountain range is one of the most popular tourist destinations in Europe. In the winter, it is a popular spot for skiing, snowboarding, and other winter sports. In the summer, it is a popular destination for hiking and mountain biking.
The mountain range is also home to many beautiful lakes, rivers, and waterfalls, making it a great place to relax and enjoy nature.The Alps are an important natural resource for the countries in which they are located. They are an important source of water for millions of people, providing water for drinking, irrigation, and other uses. They are also an important source of timber, minerals, and other resources.
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How can a young adult begin to establish a good credit rating
Answers
Answer:
As a young person, you can establish credit in several ways. For starters, you could open a credit card in your name or take out a loan. Or, you can ask a parent to add you to one of their credit cards. But most importantly you must pay your bills on time and Get and Keep a Steady Job.
30 POINTS**important** Seasons are NOT caused by the
Earth is from the Sun! Seasons are
caused by the milt of Earth's axis which causes the sun's rays to hit earth at different
Parts of the Earth near the equator or pointed toward the Sun receive more
sunlight. The more
the sun strikes an area, the more concentrated the
energy and the
the area
Answers
Answer:
1. angle 2. Sunlight 3. Heat 4. ???
Explanation: