any four environmental impacts of hydroelectricity​

A raindrop that freezes before reaching the ground is called sleet.

Sleet occurs when rain passes through a layer of cold air near the surface, causing it to freeze into small ice pellets. These pellets of ice are typically smaller than hailstones and can be mistaken for snow or freezing rain. Sleet can be hazardous for drivers as it can create slippery road conditions. It can also damage crops and plants, as well as power lines and buildings. In some regions, sleet is a common occurrence during winter months and is an important factor in weather forecasting.
Sleet occurs when raindrops pass through a layer of freezing air during their descent, causing them to freeze into small ice pellets. These ice pellets, or sleet, are usually smaller and more translucent than hail, and they can create hazardous conditions on the ground. When sleet accumulates, it can cause slippery surfaces on roads, sidewalks, and other outdoor areas, making travel more difficult and increasing the risk of accidents. To ensure safety during sleet events, it is essential to exercise caution and be aware of weather conditions.

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The surface area of the missing faces is 72m², the length is 6m, and the breadth is 12m.

Given information,

Total surface area =  216 m²

Each surface area of 2 blocks = 24 m²

Each surface area of 2 blocks = 12 m²

The surface area of the two missing blocks is the same.

Total surface area = Sum of the surface area of all blocks

216m² = 12m² + 12m² + 24m² + 24m² + A + A

216 = 72 + 2A

216 - 72 = 2A

2A = 144

A = 144/2

A = 72m²

Area of rectangle = Length × Breadth

72 = Length × 12

Length = 72/12

Length = 6 m

Therefore, the surface area of the missing faces is 72m², the length is 6m, and the breadth is 12m.

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Answer:

Climate change could pose major risks to the islands in the Caribbean. The main environmental changes expected to affect the Caribbean are a rise in sea level, stronger hurricanes, longer dry seasons and shorter wet seasons.

Answer:

are u actually working on my question because I'm getting timed and need the answer fast

One of several discriminatory U.S. laws that limited Chinese immigration and made Chinese people was the Chinese Exclusion Act of 1882.

The Chinese Exclusion Act of 1882 was the first significant statute imposing restrictions on immigration to the US. Many Americans on the West Coast blamed Chinese employees for the economy's difficulties and declining wages. Congress passed the Chinese Exclusion Act despite the fact that the Chinese made up only 0.002 percent of the country's population in order to appease labor demands and allay worries about preserving white "racial purity."

The Chinese Immigration Act of 1923 was approved by the government of Prime Minister William Lyon Mackenzie King in response to repeated calls for stronger regulations to limit Chinese immigration.

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Answer:

Biodiversity

Explanation:

The statement "Levittown is one of the earliest suburbs, located 10 miles east of New York city" is True.

Levittown is a hamlet and census-designated place (CDP) in the Town of Hempstead, Nassau County, New York. It is midway between the villages of Hempstead and Farmingdale. The CDP had a total population of 51,881 as of the 2010 census, making it the most populous CDP in Nassau County and the second most populous CDP on Long Island, trailing only Brentwood.

Levittown is named after its builder, Levitt & Sons, Inc., which was founded on August 2, 1929 by Abraham Levitt and built the district as a planned community for returning World War II veterans between 1947 and 1951.

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The class of sedimentary rock that forms by the precipitation of minerals directly from water, without help from living organisms, is called "Chemical sedimentary rock".

Chemical sedimentary rocks are formed when minerals dissolved in water precipitate out of the solution due to a change in the environment, such as a change in temperature or pressure, or a change in the chemistry of the water. Examples of chemical sedimentary rocks include rock salt, gypsum, and chert.

Chemical sedimentary rocks are formed when minerals dissolved in water precipitate out of the solution due to a change in the environment. The process of precipitation occurs when the concentration of minerals in the water exceeds their solubility, resulting in the formation of solid minerals that settle out of the water and accumulate on the bottom of a basin or in a body of water.

Chemical sedimentary rocks can form in a variety of environments, including lakes, oceans, caves, and hot springs. For example, rock salt (halite) forms in shallow, salty lakes or basins where water evaporates and leaves behind a deposit of salt. Gypsum, another chemical sedimentary rock, forms in evaporite basins, where the concentration of dissolved calcium and sulfate ions in the water becomes high enough to precipitate gypsum.

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Answer:

they used cliff as shelter

Explanation:

The best conclusion that can be drawn from the image about how people adapted to this environment is they used the cliff as shelter. Option (a) is correct.

Shelter is a covering or a place that provides protection, whether against the elements or a threat.

The ability to feed, learn from others, exist in many surroundings, and create and use tools gives humans the flexibility to adapt. Flexible diet: Humans can consume a range of foods, unlike many other animals (meat and plants). They are adaptable enough to live in various conditions.

Animals can live in their environment thanks to their special adaptations. Adaptations can be of three different types: structural, physiological, and behavioral.

Therefore, Option (a) is correct. They used the cliff as shelter.

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Private businesses remove lumber rather than the government itself in order to monitor logging in national forests. People believe that their tax monies are going to the privately owned corporation, which makes it problematic.

The U.S. Forest Service was established as a result of the Transfer Act of February 1, 1905 (16 U.S.C. 472), which transferred administration of the Federal Forest Reserves from the Department of the Interior to the Department of Agriculture. The USDA Forest Service works to preserve the nation's forests and grasslands' health, diversity, and productivity in order to meet the needs of both the present and future generations.

The goal of the Forest Service is to preserve the nation's forests and grasslands' health, diversity, and productivity in order to meet the demands of both the present and the future generations.

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Answer:

can we see the table it's not showing

Answer:

Algiers, Algeria receives the most rainfall

Answer:

Algiers

Explanation:

i looked it up on g00gle

The Eastern Mediterranean region has a wide range of climates, from subtropical and temperate climes in the north to deserts and semi-arid regions in the south.

The climate in the Eastern Mediterranean region is largely temperate, with moderate to mildly hot, dry summers, sporadic droughts, and pleasant, reasonably moist winters. The region has undergone increased warming, particularly during the last four decades, almost twice as quickly as the worldwide pace and more quickly than Europe, North America, and other regions.

The subtropical ridge, which extends towards the hemisphere in question's pole during the summer and migrates towards the equator during the winter, is the principal contributor to the Mediterranean, or dry summer, climate. This is a result of the seasonal temperature fluctuations poleward and equatorward. This territory features a broad variety of climates, from deserts and semi-arid regions in the south to subtropical and temperate temperature increases in the north.

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(a) (i) Using the old North American dose standards, the anticipated Dose percentage ≈ 1.26%

(ii) Using the European dose standard, the anticipated Dose percentage ≈ 3.14%

(b) 8-hr Leq for the employee = 68.125 dB(A)

(c) Compliance with standards:

(i) Old North American standard: The environment passes the requirements of the old North American standard.

(ii) European standard:

The European standard sets the maximum permissible exposure at 87 dB(A) for an 8-hour workday.

To calculate the anticipated Dose percentage, 8-hr Leq, and determine if the environment passes or fails the standards, we need to perform the following calculations and comparisons:

(a) Anticipated Dose Percentage:

(i) Using the old North American dose standards:

The old North American dose standard states that the maximum permissible exposure for an 8-hour workday is 90 dB(A). To calculate the dose percentage, we need to compare the time-weighted average (TWA) noise exposure to the maximum permissible exposure. We'll calculate the TWA using the given Leq values and durations for each activity:

TWA = ((Duration1 * Leq1) + (Duration2 * Leq2) + ... + (DurationN * LeqN)) / Total Duration

Total Duration = 8 hours = 480 minutes

Duration1 = 30 minutes = 0.5 hours

Leq1 = 45 dB(A)

Duration2 = 90 minutes = 1.5 hours

Leq2 = 90 dB(A)

Duration3 = 15 minutes = 0.25 hours

Leq3 = 60 dB(A)

Duration4 = 60 minutes = 1 hour

Leq4 = 90 dB(A)

Duration5 = 15 minutes = 0.25 hours

Leq5 = 60 dB(A)

Duration6 = 105 minutes = 1.75 hours

Leq6 = 90 dB(A)

Calculating the TWA:

TWA = ((0.5 * 45) + (1.5 * 90) + (0.25 * 60) + (1 * 90) + (0.25 * 60) + (1.75 * 90)) / 8 = 545 / 8 ≈ 68.125 dB(A)

Dose Percentage = 100 * (TWA / 100)^(1.5 - 90) = 100 * (68.125 / 100)^(1.5 - 90) ≈ 1.26%

(ii) Using the European dose standard:

The European dose standard sets the maximum permissible exposure at 87 dB(A) for an 8-hour workday. We'll perform the same calculations as above, but compare the TWA to 87 dB(A) instead:

TWA = 68.125 dB(A) (calculated above)

Dose Percentage = 100 * (TWA / 100)^(1.5 - 87) = 100 * (68.125 / 100)^(1.5 - 87) ≈ 3.14%

(b) 8-hr Leq for the employee:

The 8-hour Leq represents the equivalent continuous noise level over an 8-hour workday. We can calculate it using the same formula as the TWA:

8-hr Leq = TWA = 68.125 dB(A) (calculated above)

(c) Compliance with standards:

(i) Old North American standard:

The old North American standard sets the maximum permissible exposure at 90 dB(A) for an 8-hour workday. Since the 8-hr Leq is 68.125 dB(A), which is below the maximum permissible exposure, the environment passes the requirements of the old North American standard.

(ii) European standard:

The European standard sets the maximum permissible exposure at 87 dB(A) for an 8-hour workday. Since the 8-hr Leq is 68.125 dB

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The Chicago area became a significant asset for the western Great Lakes region owing to its steel industries and its strategic location as a transportation hub. The steel industries provided job opportunities and economic growth for the region, while the transportation hub allowed for easy access to goods and services. The area's access to the Great Lakes also made it a prime location for shipping and trade. Overall, the steel industry and transportation hub in the Chicago area played a vital role in the development and prosperity of the western Great Lakes region.

By the western Great Lakes region, what do you mean?

Preparers. The western Great Lakes region of the continental United States includes the upper and lower peninsulas of Michigan, as well as northern Wisconsin and north-central Minnesota.

How would you define transportation?

Transportation is the movement of people, products, and other objects between locations in a variety of ways.

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Answer: hydrogen, oxygen

Carbohydrates contain water, which is also known as hydrogen. Oxygen is produced from water, so these two elements are in carbohydrates.

Hope this helps you!

Answer: Your welcome!

Explanation:

Natural resources, family ties, religion, and iron technology all played a significant role in the growth and development of West African societies. These factors contributed to the development of complex political, economic, and social systems, which enabled West Africa to become a hub of culture, trade, and learning.

Natural resources were essential for the growth and development of West African societies. These resources included gold, salt, ivory, and various other minerals. These resources were used to create wealth and power, and they allowed West African societies to become increasingly prosperous. Gold and salt, in particular, allowed for the growth of trade networks, which further increased the regions wealth and power. These resources also enabled West African societies to become increasingly powerful, as they were able to acquire more resources from other parts of the world.

Family ties were also important in the growth and development of West African societies. These ties were based on a system of kinship and extended family networks. These networks provided a sense of security and identity for individuals, which allowed them to build strong relationships with others in their community. This system of kinship was also responsible for the growth of social hierarchy and power, as certain families were able to gain more wealth and power than others.

Religion was also a major factor in the growth and development of West African societies. Religion provided a sense of purpose and identity for individuals, and helped to unite different peoples and cultures. Religion also served as a source of moral authority, and it helped to create a sense of order and stability. This stability allowed for the growth of trade networks and the development of large cities and towns.

Finally, iron technology was essential for the growth and development of West African societies. Iron technology allowed for the creation of weapons and tools which were used to expand West African empires and increase their power. Iron technology also enabled the growth of trade networks and the development of complex political systems. Iron technology was also responsible for the growth of large cities and towns, which allowed for the exchange of goods, ideas, and culture.

In conclusion, natural resources, family ties, religion, and iron technology all played a significant role in the growth and development of West African societies. These factors contributed to the growth of complex political, economic, and social systems which allowed West Africa to become a hub of culture, trade, and learning. The availability of natural resources, the strength of family ties, the power of religion, and the advancement of iron technology all contributed to the growth and success of West African societies.

In writing an essay you must consider the structure of the essay, Hence, the structure of the essay should be considered;

The Introduction

The body'

The conclusion

Generally, Iron technology, family relationships, religion, and natural resources all had a big impact on the expansion and development of West African societies. These elements aided in the creation of intricate political, economic, and social structures that allowed West Africa to flourish as a center of learning, trade, and culture.

The expansion and development of West African societies depended heavily on their access to natural resources. Gold, salt, ivory, and several other minerals were among these treasures. These resources were put to use to build wealth and power, enabling West African societies to flourish more and more. Particularly salt and gold enabled for the expansion of trade networks, which further boosted the riches and power of the region. Due to their ability to access more resources from other regions of the world, West African societies were also able to grow more powerful as a result of these riches.

With the expansion and development of West African societies, family bonds played a significant role. These connections were made through networks of kinship and extended family. These networks gave people a sense of security and identification, enabling them to forge close bonds with others in their society. Because some families were able to accumulate more wealth and influence than others, this kinship structure also contributed to the rise of social hierarchy and authority.

Another important element in the expansion and development of West African communities was religion. Individuals' sense of identity and purpose was shaped by their religious beliefs, which also served to bridge cultural and racial divides. Religion contributed to the establishment of order and stability and functioned as a source of moral authority. Large cities and villages as well as the expansion of commercial networks were made possible by this stability.

Last but not least, iron technology was crucial to the expansion and advancement of West African societies. Iron technology made it possible to produce tools and weapons that were utilized to strengthen and expand West African civilizations. The creation of intricate governmental institutions and the expansion of commerce networks were both made possible by iron technology. The development of sizable cities and towns, which facilitated the exchange of goods, concepts, and cultures, was also a result of iron technology.

In conclusion, it can be said that the growth and development of West African cultures were greatly influenced by the availability of natural resources, familial relationships, religion, and iron technology. These elements supported the development of intricate political, economic, and social structures that made West Africa a center of study, trade, and culture. The abundance of natural resources, the durability of family relationships, the influence of religion, and the development of iron technology all helped West African communities develop and prosper.

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Answer:

the answer is C

Explanation:

Answer:

Heating and Pressure

Explanation:

Sandstone forms from beds of sand laid down under the sea or in low-lying areas on the continents. As a bed of sand subsides into the earth's crust, usually pressed down by over-lying sediments, it is heated and compressed.

Scientists study pollen grains to help them understand climate change by analyzing and making inferences about them. Option A is correct.

Pollen grains have a unique structure and composition that makes them useful indicators of past environmental conditions, such as temperature and precipitation. By analyzing the pollen grains found in sediment cores or other sources, scientists can reconstruct past climates and understand how they have changed over time.

One common method is to identify and count pollen grains from different plant species in a sample, which can provide information about past vegetation and changes in temperature and precipitation.

Scientists may also use isotopic analysis or other techniques to extract additional information from the pollen grains, such as the timing of certain events or the source of the pollen.

Overall, studying pollen grains is an important tool for scientists to gain insight into past climate change and make predictions about future climate patterns.

The complete question is:

How do scientists study pollen grains to help them understand climate change?

A) by analyzing and making inferences about them.

B) by observing and listing facts about them.

C) by studying and reading more about them.

D) by writing hypothesis about them.

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The Intertropical Convergence Zone (ITCZ) is a band of low pressure that encircles the Earth near the equator, where the trade winds of the Northern Hemisphere and the trade winds of the Southern Hemisphere meet and converge. This convergence causes heavy rainfall and thunderstorms in the area.

The Low-Pressure Area (LPA) is a region of relatively low atmospheric pressure. It is caused by a number of weather systems, including thunderstorms, tropical cyclones, and extratropical cyclones. LPAs can also form along the ITCZ, where the convergence of the trade winds can lead to the formation of thunderstorms and heavy rainfall.

In summary, LPA is a general term for a region of low pressure, while ITCZ is a specific band of low pressure that encircles the Earth near the equator. Both can cause heavy rainfall and thunderstorms, but the ITCZ is a result of the convergence of trade winds, while LPAs can be caused by a variety of weather systems

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The Intertropical Convergence Zone, often known as the ITCZ, is a region of low pressure that typically resides close to the equator. Here, the northern and southern hemispheres' trade winds converge, causing frequent thunderstorms and torrential rain to form.

A place where the atmospheric pressure is lower than that of the nearby areas is known as a low-pressure area, low area, or low in meteorology.

When the barometric pressure in one area of the atmosphere is lower than the barometric pressure in its surrounding areas, the area is said to be under low pressure. The atmospheric pressure does not fall below a certain threshold. The barometric pressure only needs to be lower than the values in the area.

The Earth's rotation, axis tilt, and translation around the Sun all contribute to the changing of the ITCZ. As a result, there are seasons. ITCZ travels toward the summer season in either hemisphere, which is the hemisphere with the maximum heat.

Low-pressure zones frequently form when air masses with rising temperatures and growing air mass movement do so. Greater pressure regions are moved by air pressure-reduced regions. The wind entering the low-pressure area is redirected to the right by the Coriolis Effect. This causes the wind to blow around the low-pressure area in a counterclockwise direction.

As the ITCZ migrates to tropical and subtropical latitudes and even beyond during the respective hemisphere's summer season, increasing Coriolis force makes the formation of tropical cyclones within this zone more possible.

Due to the movement of cooler air into the area of low pressure, the uplifting action of the rising warm air, and the adiabatic cooling action of the rising air, moisture-laden air, and low-pressure areas will generate poor weather. Enough moisture, atmospheric instability, and lifting action can cause thunderstorms and other severe weather.

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Answer:

4) 2 + 6 = 8

8/2 = 4 meters

5) 5 x 29484 = 147420 \(in^2\)

need more information to write the equation in number 3, is there more context?

Answer:

Judaea

Explanation:

Judaea, also spelled Judea, or Judah, Hebrew Yehudaḥ, the southernmost of the three traditional divisions of ancient Palestine; the other two were Galilee in the north and Samaria in the centre. No clearly marked boundary divided Judaea from Samaria, but the town of Beersheba was traditionally the southernmost limit.

Answer:

They are the same.

Explanation:

The equator is the only place in the world that has the same temperature across the entire world. With the same water currents also, they will be the same. Hope it helps :D

Answer:

Unstable.

Explanation:

Not sure if its right but we don't get some sort of multiple choice so this is the best I can do.

Answer:

B - unstable.

Explanation:

Most governments in Africa are unstable.

Answer:b

Explanation:bc yo moms

Answer: A. Analyses of the behavior of seismic waves.

Explanation: "The layering of Earth has been inferred indirectly using the time of travel of refracted and reflected seismic waves created by earthquakes" (Structure of the Earth). Combining the layered structure and reflection magnitudes with the magnitude of gravity (and therefore the average density of the Earth), we can get a pretty good idea of the density of each layer. By integrating density, we can calculate the pressures at depth."

In a region characterized by a parallel series of ridges and valleys, a trellis drainage network is expected.

A trellis drainage network is a type of drainage pattern that exhibits a rectangular or grid-like pattern resembling a garden trellis. It consists of parallel main streams with shorter tributaries that intersect them at right angles.

The formation of a trellis drainage network is typically associated with regions where the underlying rock structure is characterized by alternating bands of resistant and less resistant rock layers. The main streams align along the more resistant rock layers, forming the parallel segments of the pattern. The shorter tributaries develop along the less resistant rock layers, intersecting the main streams at right angles.

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Answer:

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.

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Answer: noun Geology.

any of the various weathering processes that cause physical disintegration of exposed rock without any change in the chemical composition of the rock: Collision between rock surfaces can cause mechanical weathering.

Explanation: