The answer is D): Fossil Fuels
Hope this helps!
what is hydroelectric energy?
Hydroelectric energy is generated by converting the mechanical energy from falling water into electrical energy using a hydroelectric generator. The role of a dam in this process is crucial as it helps accumulate water at a height, creating potential energy that can be transformed into kinetic energy as the water flows down. This kinetic energy drives turbines connected to generators, thereby producing electricity.
Hydroelectric power generation starts with the accumulation of water in a high-elevation reservoir behind a dam. The potential energy in the stored water is equivalent to the work done by gravity. When gates are opened, water flows through the penstock, it gains kinetic energy as it descends, due to the force of gravity acting on it. This fast-moving water then strikes the blades of a turbine, causing it to spin. The turbine is connected to a generator, and as it spins, the generator converts the mechanical energy into electrical energy through electromagnetic induction. Despite water appearing to spin the turbines 'for free,' it does not violate the conservation of energy principle. The ultimate source of the electrical energy is solar energy, which drives the water cycle by evaporating water from the Earth's surface, later to fall as precipitation in higher altitudes.
In the countryside of England, where there are no factories, we expect there to be
A) no moths.
B) mostly dark gray moths.
C) mostly light gray moths.
D) an even number of light and dark moths.
C.. mostly light grey moths
Suppose you are a settler in the british colonies you want to settle on land and where the ohio river meets the mississippi river what physical features do you have to cross to reach that area
there are woods and hills and such, there could also be more water to cross
Answer:
The Mississippi River and its alluvial plain houses a rich fauna and flora that make up the largest marsh system in the North American continent, therefore, the settler must cross this system in order to settle.
Explanation:
The marshes are wet-type ecosystems with the presence of water, as well as a low and superficial vegetation that covers all the water but does not dry it. This system is usually found in regions near the sea.
The marshes, depending on the depth of the terrain, can become navigable. They are able to trap and bind sediments, so they act as a filter for pollution. They constitute a habitat for animals, especially migratory birds that use the marshes as a place to rest and feed during their long trips.
Which is not true about most large optical telescopes?
A. They have greater light-gathering power.
B. They are refracting telescopes.
C. They are reflecting telescopes.
D. They have greater resolving power.
(Earth Science)
QUESTION-
Which is not true about most large optical telescopes?
OPTIONS-
A. They have greater light-gathering power.
B. They are refracting telescopes.
C. They are reflecting telescopes.
D. They have greater resolving power.
ANSWER-
B. They are refracting telescopes.
Answer: B
Explanation: They are retracting telescopes.
the nation of ______ disappeared from the map of europe from 1795- 1918
Which is not a process that decreases the salinity of seawater?
icebergs melting
runoff from land
precipitation
evaporation
(Earth Science)
The answer is evaporation
Answer
Evaporation
Explanation
Evaporation of sea and ocean water and the formation of sea ice are processes that increase the salinity of the ocean. Salinity of ocean water and seas are balanced by processes such as input of fresh water from precipitation in form of rain and snow, melting of ice and water from rivers.
What has played the most important role in shaping the physical landscape of east africa?
Answer:
Tectonic processes has played most important role in shaping the physical landscape of east Africa.
Explanation:
A rift valley is a swamp area that appears where Earth's tectonic plates shift apart or rift. Rift valleys occur both on land and about the depths from the ocean, where all are formed by the process of seafloor expanding. Tectonic plates are tremendous, rocky parts of Earth's lithosphere—its outside and above the mantle.
Explain Culture exchange
An exchange of students, artists, athletes, etc. from different countries to enhance mutual understanding.
Who was the founder of the mongol empire?
Answer:
"Genghis Khan"
Explanation:
The Mongol Empire began from this union of many wandering clans in the Mongol motherland beneath the power of Genghis Khan, whom a committee declared king of all the Mongols in 1206. Such an empire expanded quickly following his rule and that of his descendants, who conveyed incursions in all directions.That vast transcontinental empire combined the East with the West by a strengthened Pax Mongolica, supporting the distribution and transfer of business, technologies, products, and beliefs beyond Eurasia.
Many parts of your body will be healthier and stay more youthful looking if you exercise regularly. True False
False because when you exercise you make you'r body work harder when if you didn't exercise you'r body wouldn't work as hard hence you would live longer hence you would look younger!
Answer:
its true
Explanation:
"map of settlements in north america (mid1600s)" when looking at the map, what can you tell about the colonial european settlements?
A mid-1600s map of North America showcases colonial settlements by European powers, depicting territorial competition and impact on indigenous cultures and socioeconomic structures.
Explanation:When examining a map of colonial European settlements in North America from the mid-1600s, it reveals a complex tapestry of territorial claims and settlements by various European powers, including the English, Dutch, French, and Spanish. Each European nation sought to expand its empire, with settlements often strategically located to access resources, trade routes, and support military endeavors. The presence of Native American tribes is also noted, highlighting the rich indigenous cultures that existed before European colonization. The geopolitics of the era was marked by competition and conflict, as these powers vied for control and influence over the New World. This period also saw the introduction of slavery and significant shifts in agriculture, which had a profound impact on the social and economic fabric of the continent.
Which of the following issues was the worst problem caused by early surface rail systems?
A.
They were too expensive for most people.
B.
They created the first major pollution problems in cities.
C.
They created gridlock with other traffic on crowded city streets.
D.
They were incompatible with rail systems between cities.
the answer is c.................................................................................
The answer is: C. They created gridlock with other traffic on crowded city streets.
Prior to the creation of the rail systems, the road on top of it is still used by pedestrians or other vehicles to pas through.
Because of this, the development of rail systems created gridlock with existing traffic, and all those vehicles/pedestrians were forced to find other paths to reach their destination.
What is the difference the healthy ecosystem and unhealthy ecosystem
Each step in the FOOD CHAIN contains appropriate numbers of organisms
If one group becomes too numerous, the chain becomes UNBALANCED
Each step in the FOOD CHAIN contains appropriate numbers of organisms
For example, agricultural runoff creates a SURPLUS of nutrients which can cause sudden INCREASES in algae growth
Each step in the FOOD CHAIN contains appropriate numbers of organisms
Too much algae blocks sunlight from reaching vascular plants
Each step in the FOOD CHAIN contains appropriate numbers of organisms
Too few plants means LESS FOOD for herbivores
Answer:
Ecosystem health is a metaphor used to describe the condition of an ecosystem. Ecosystem condition can vary as a result of fire, flooding, drought, extinctions, invasive species, climate change, mining, over exploitation in fishing, farming or logging, chemical spills, and a host of others
Explain:
Which statements describe the moment magnitude scale? Check all that apply.
A. It measures only small earthquakes.
B. It collects data using a seismograph.
C. It shows the types of seismic waves that were produced.
D. It estimates the total energy released from an earthquake.
E. It determines the amount of damage caused by an earthquake.
The moment magnitude scale is a scale that rates earthquakes by estimating the total energy released by an earthquake . Estimating the total amount of energy released, enables comparison of earthquakes more accurately.
This scale can be used to rate earthquakes of all sizes, near or far. The following statements describe the moment magnitude scale:
B. It collects data using a seismograph.
D. It estimates the total energy released from an earthquake.
E. It determines the amount of damage caused by an earthquake.
PLEASE HELP I NEED AN ANSWER ASAP
How was the Great Rift Valley formed, and what landforms are found in this region? Write a paragraph of at least 5 sentences.
A rift valley is a lowland area created by the separation of Earth's tectonic plates. Both on land and at the bottom of the ocean, rift valleys are produced as a result of the spreading of the seabed.
What do you understand by rift valley?
In contrast to river valleys and glacier valleys, rift valleys are formed by tectonic activity rather than erosion. Tectonic plates are enormous, rocky chunks of the upper mantle and crust of the Earth.
A diverging boundary led to the formation of the Great Rift Valley. In the rift valley, two plates are being pushed and tugged apart.
The Red Sea was formed as a result of this same divergent boundary.
The continuous geological trench that stretches from central Mozambique in East Africa to northern Syria in Southwest Asia is known as the Great Rift Valley.
Hence, a rift valley is a lowland area created by the separation of Earth's tectonic plates. Both on land and at the bottom of the ocean, rift valleys are produced as a result of the spreading of the seabed.
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What is a dangerous side-effect of hurricanes in the central american region?volcanoesearthquakespollutionmudslides
The correct answer is - mudslides.
The hurricanes bring in a very large amount of water with them in a very short period of time. Because of this, the soil gets over-saturated with water, and this causes the surface layer of the soil to start moving. The mudslides usually appear at steep places, and they are combination of large amounts of water and soil that have mixed and created fast moving mud river. The mudslides, because of there speed and sudden appearance, are extremely dangerous, and they cause very big damage, both in human lives and material damage.
The major obstacle faced by most immigrants comes from?
Final answer:
Most immigrants face major obstacles related to cultural adaptation, including language barriers and economic challenges such as low wages and debt. Ethnic enclaves provide community support but can lead to accusations of failing to assimilate and increased social tensions. The effects of immigration on a host country's economics and culture can also generate legislative challenges to immigrant movement and integration.
Explanation:
The major obstacle faced by most immigrants comes from the difficulties in adjusting to a new culture, including learning a new language and customs, and the economic challenges associated with low wages and the possibility of debt. Immigrants often settled in ethnic enclaves where they faced both prejudice and the perception of being 'clannish' or unwilling to assimilate into the larger society. These neighborhoods, however, helped them to preserve their cultural identity and eased the transition. Additionally, social tensions arose when different ethnic groups competed for the same cultural spaces and opportunities, further complicated by stereotypes and discrimination that varied based on ethnicity.
Economic factors are also a significant obstacle, as immigrants frequently found themselves earning just enough to survive, with dreams of financial independence being out of reach for many. Moreover, concerns about how immigration affects wages, taxes, and government spending lead to legislative actions that can prevent the free movement that most take for granted within their own country.
How are the composition and structure of Earth’s layers different as you go deeper into Earth?
The composition and structure of Earth's layers vary as we go deeper. Starting from the thin crust made of silicate rocks, we move to the mantle with increasing density, and finally to the iron-rich, differentiated core with both solid and liquid parts.
Explanation:The composition and structure of Earth's layers change as one goes deeper into the Earth. The layers include the crust, the mantle, and the core.
The Earth's outermost crust is a thin layer, no more than a few kilometers deep. It is predominantly composed of silicate rocks. Beneath the crust is the mantle, which can deform and flow slowly. The mantle's density increases from about 3.5 g/cm³ to more than 5 g/cm³ as one goes deeper, due to the compression produced by the weight of overlying material. The mantle comprises of upper and lower portions, with different compositions and physical behaviors.
Beyond the mantle is Earth's core, divided into an outer and inner core. The outer core, which is liquid, and the inner core, which is solid, largely consist of iron. However, other elements like nickel and sulfur are also present. Overall, studying the Earth's interior is challenging, and much of what we know comes from indirect evidence, like the study of seismic waves from earthquakes.
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To form a fragmentary sedimentary rock, the fragments must be _____ and _____.select one:a/ cemented; heated upb/ compacted; cementedc/ heated up; pressurizedd/ compacted; pressurizedi need help, i can't remember what this one was, i just need something to explain this or an answer would be better
To form a fragmentary sedimentary rock, the fragments must be naturally compacted and cemented together.
Sedimentary rocks are made of sedimentary fragment and weathering from other rocks. Sedimentary rocks form at the Earth's surface, so they are easy to locate and study. An example of a Fragmentary Sedimentary rocks is shale.
Nitrogen makes up how much of Earth’s atmosphere?
What conclusion can you onfer about the population of this area
Explique o impacto da tecnologia da informática e das telecomunicaç?o para geografia?
Answer: a tecnologia tem desempenhado um duplo papel como uma importante ferramenta de instrução que pode ter um efeito significativo sobre o funcionamento global, político, social e econômico da sociedade americana.
Explanation:
This type of tide has the greatest difference between high and low tide (highest high tide to lowest low tide)
The tide will be neap tide.
ExpalantionThe moon has the strongest effect on the rise or fall of the tides due to its gravitation pull. The normal tides are always present in the ocean at different hours of a day. But in spring tides, the moon has its full phase, it has the strongest effect on the tides as high tides convert to highest tides and low tides to the lowest tide. In the neap tide, the low tide converts to lowest high tide and high tide converts to a highest low tide which makes the extreme difference between high and low tide.
Final answer:
A spring tide has the greatest difference between high and low water, creating the highest high tides and the lowest low tides, which occur near the times of new and full moons due to the aligned gravitational forces of the moon and the sun.
Explanation:
The type of tide with the greatest difference between high and low tide is known as a spring tide. It occurs near the times of the new and full moon when the gravitational pull of the moon and the sun are aligned. The combined gravitational forces exert a stronger pull on the Earth's oceans, leading to higher high tides and lower low tides, thus increasing the tidal range. Contrary to spring tides are neap tides, which occur during the moon's first or third quarter when the sun and moon are at right angles to each other, resulting in a smaller difference between high and low tides.
According to definitions provided in educational materials, it is during the spring tides that one may observe some rocks or shoals that are continuously covered by the sea at one time being laid bare at another. This tidal phenomenon is observed globally and is an essential aspect of oceanography. Coastal areas may experience different tidal patterns such as mixed semidiurnal, semidiurnal, and diurnal tides, but it is the spring tide that has the most significant tidal range.
Which best describes how social-networking sites help political campaigns, especially when compared to traditional media?they allow supporters to publicly criticize opponents.they ensure that a campaign's message reaches a large audience.they enable campaigns to sample public opinion.they facilitate clear communication.
The answer that describes how social networking sites help political campaigns, especially when compared to traditional media is stated below:
They enable campaigns to sample public opinion.
Social network has been introduced for a very long time now and politicians had the opportunity to use it in order to make their campaign widen its scope and for the people to be aware of the politician's point of view, missions, and visions.
Social-networking sites help political campaigns, than traditional media because they enable campaigns to sample public opinion.
What is social networking?Social networking serves as kind of networking that is internet-based which utilize
social media sites .
This type of networking is better than traditional one because it enable campaigns to sample public opinion.
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A term that means belonging to or native to a particular people or country.
The answer is endemic
The term used to define a particular people belonging native region or country is Endemic.
Explanation:Especially endemic is used to describe the native character in living organism. Those who live in certain jungle from their existence then those organisms are endemic species of that particular jingle.
Some living organisms are originated from a certain place and they are not found in any other part of world means they are endemic species.
For example: the mocking bird, are endemic to Galápagos Islands.
Analyze the photo below and answer the question that follows. The photo above shows what often happens when rivers meet the ocean – the river spreads out into a triangular shape. What body of water is shown in this photo, and how does erosion help to create it?
Answer:
Delta
Explanation:
In terms of geology, a delta is usually defined as a landform that is formed when the rivers flow and ultimately get mixed up with the static water body such as ocean, seas, lake, and estuaries. It is a depositional landform, which is created as the sediments are deposited and these sediments are fine-grained in nature. Deltas are triangular in shape and the flow of the water here is significantly very slow. These deltas are generally considered to be the mouth of the river.
The body of water shown in the photo is a delta and erosion helps create it by depositing sediments.
How are deltas formed ?A delta is a triangular-shaped landform that is created where a river meets the ocean. The river's sediment is deposited at the mouth of the river, and this sediment builds up over time to form the delta.
Erosion helps to create a delta in two ways. First, the river's current carries sediment downstream. When the river meets the ocean, the current slows down and the sediment is deposited. Second, the waves and tides of the ocean also help to erode the riverbank and deposit sediment.
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What are the most important factors in chemical weathering?
water and carbon dioxide
The tundra is an area of cold climate with low lying vegetation
The statement is true.
The tundra is an area of our planet which is occupying the space in close proximity to the poles, mostly to the North Pole. The majority of the tundra is around the North Pole, and this is due to the land area that surrounds it, and it is occupying very little area around the south pole, only on few islands that are in close proximity to the Antarctic. The tundra is characterized with very long winters that are very cold and dry, and very short fresh summers. The animals and plants that live here are highly specialized, and the diversity is very small.
Answer:
True, the tundra climate is a area of low lying vegetation, and is can be very cold.
Explanation:
But next time, just so that people do not get confused, can you please state that it is a true or false question?
what is the capitol of rhode island
The capital of Rhode Island is Providence
Providence.
Some of these questions you could just look up on the internet, then you wouldn't have to waste points. That's how I got the answer to this question.
What is the currently accepted age of Earth?
The correct answer is - 4.543 billion years.
Our planet, the Earth, is considered to have formed approximately 4.543 billion year ago. It is thought that the Earth had formed at roughly the same time with the other planets, or rather they all formed in a relatively small space of time.
The Earth is part of the inner planets, and it is the the third most closest to the star in our galaxy, the Sun. Also, it is the only planet on which is known that life can exist, at least so far, as it is the only planet that provides the right conditions for the development of living organisms.
The biggest interaction that the Earth has is with the gravitational pull of the Sun and the Moon, the only natural satellite of the Earth.
The currently accepted age of Earth is estimated to be between 4.4 and 4.57 billion years based on scientific methods, including radioactive dating. This greatly surpasses the previously believed age of 6,000 years, providing important context for the development of life on Earth.
Explanation:The currently accepted age of Earth is estimated to be between 4.4 and 4.57 billion years based on various scientific methods, including radioactive dating of rocks and minerals. The oldest known rocks on Earth are approximately 4.404 billion years old, while the oldest fossils are between 3 and 4 billion years old. This age of Earth greatly surpasses the previously believed age of only 6,000 years during Darwin's time, and it provides important context for understanding the development of life on our planet.
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