Though they do not involve burning dirty fossil fuels, hydropower projects are not emissions free. Often, large dams flood vast vegetated areas. As a result, the vegetation rots under water. Eventually, this leads to the release of methane, a greenhouse gas 34 times as potent as carbon dioxide. In some cases, large dams can result in even more lifetime greenhouse gas emissions than equivalent conventional sources. And this does not even include the emissions resulting from the construction of such dams andndash; cement and equipment-heavy projects that usually take several years to build.a)Large hydropower projects contribute more to climate change than fossil fuels plants of equivalent generating capacity.b)As large dams result in significant greenhouse gas emissions, hydropower cannot be regarded as a clean source of energy.c)Hydropower projects cause flooding, leading to significant greenhouse gas emissions from rotting organic material.d)In terms of greenhouse gas costs, hydropower is comparable to more conventional sources of energy.Correct answer is option 'B'. Can you explain this answer?

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a)
Large hydropower projects contribute more to climate change than fossil fuels plants of equivalent generating capacity.
b)
As large dams result in significant greenhouse gas emissions, hydropower cannot be regarded as a clean source of energy.
c)
Hydropower projects cause flooding, leading to significant greenhouse gas emissions from rotting organic material.
d)
In terms of greenhouse gas costs, hydropower is comparable to more conventional sources of energy.

Correct answer is option 'B'. Can you explain this answer?

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Though they do not involve burning dirty fossil fuels, hydropower proj...

The main idea of the given paragraph is that hydropower projects are not emissions free. To support this argument, the paragraph cites evidence: methane is released by rotting vegetation and emissions are released during the years the dam is under construction.

Now, option A states that large hydropower projects contribute "more" to climate change than fossil fuel plants. The paragraph merely states that "in some cases" large dams can result in even more lifetime greenhouse gas emissions than equivalent conventional sources. Also, "climate change" is not talked about here. So, option A is ruled out.

Similarly, option D states that hydropower is "comparable" to more conventional sources of energy in terms of greenhouse gas costs. The paragraph does not try to compare the amount or nature of emissions resulting from hydropower projects to emissions from conventional sources. It only argues that hydropower is not emissions free. So, option D is also ruled out.

Now, between options B and C, while C is clearly true, it doesn't touch upon the emissions released during dam construction. It is therefore not a good option to sum up the paragraph.

Option B states the main idea: large dams result in significant greenhouse gas emissions. As to hydropower not being a "clean" source of energy, the paragraph does state that while hydropower projects do not involve burning "dirty" fossil fuels, they are not emissions free. The implication is that hydropower is not a clean source of energy. So, of the given options, B summarizes the given paragraph best.

The question is "Choose the option that summarizes the paragraph best "
Hence, the answer is B

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Though they do not involve burning dirty fossil fuels, hydropower proj...

And the transportation of materials.

Additionally, hydropower projects can have significant impacts on local ecosystems and communities. The construction of dams can displace people and wildlife, disrupt natural water flows, and harm aquatic habitats. The altered water flows can also impact downstream communities and ecosystems, leading to reduced water availability, changes in water quality, and increased risks of flooding or drought.

There are also concerns about the safety of dams, particularly in areas prone to earthquakes or other natural disasters. Dams can also be vulnerable to sabotage or terrorism, posing potential risks to surrounding communities.

While hydropower can provide a source of renewable energy, it is important to carefully consider the potential environmental and social impacts of such projects. Alternative renewable energy sources, such as wind and solar, may offer more sustainable options for meeting our energy needs.

Answered by Wizius Careers · View profile

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Though they do not involve burning dirty fossil fuels, hydropower projects are not emissions free. Often, large dams flood vast vegetated areas. As a result, the vegetation rots under water. Eventually, this leads to the release of methane, a greenhouse gas 34 times as potent as carbon dioxide. In some cases, large dams can result in even more lifetime greenhouse gas emissions than equivalent conventional sources. And this does not even include the emissions resulting from the construction of such dams – cement and equipment-heavy projects that usually take several years to build.a)Large hydropower projects contribute more to climate change than fossil fuels plants of equivalent generating capacity.b)As large dams result in significant greenhouse gas emissions, hydropower cannot be regarded as a clean source of energy.c)Hydropower projects cause flooding, leading to significant greenhouse gas emissions from rotting organic material.d)In terms of greenhouse gas costs, hydropower is comparable to more conventional sources of energy.Correct answer is option 'B'. Can you explain this answer?

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Though they do not involve burning dirty fossil fuels, hydropower projects are not emissions free. Often, large dams flood vast vegetated areas. As a result, the vegetation rots under water. Eventually, this leads to the release of methane, a greenhouse gas 34 times as potent as carbon dioxide. In some cases, large dams can result in even more lifetime greenhouse gas emissions than equivalent conventional sources. And this does not even include the emissions resulting from the construction of such dams – cement and equipment-heavy projects that usually take several years to build.a)Large hydropower projects contribute more to climate change than fossil fuels plants of equivalent generating capacity.b)As large dams result in significant greenhouse gas emissions, hydropower cannot be regarded as a clean source of energy.c)Hydropower projects cause flooding, leading to significant greenhouse gas emissions from rotting organic material.d)In terms of greenhouse gas costs, hydropower is comparable to more conventional sources of energy.Correct answer is option 'B'. Can you explain this answer? for CAT 2024 is part of CAT preparation. The Question and answers have been prepared according to the CAT exam syllabus. Information about Though they do not involve burning dirty fossil fuels, hydropower projects are not emissions free. Often, large dams flood vast vegetated areas. As a result, the vegetation rots under water. Eventually, this leads to the release of methane, a greenhouse gas 34 times as potent as carbon dioxide. In some cases, large dams can result in even more lifetime greenhouse gas emissions than equivalent conventional sources. And this does not even include the emissions resulting from the construction of such dams – cement and equipment-heavy projects that usually take several years to build.a)Large hydropower projects contribute more to climate change than fossil fuels plants of equivalent generating capacity.b)As large dams result in significant greenhouse gas emissions, hydropower cannot be regarded as a clean source of energy.c)Hydropower projects cause flooding, leading to significant greenhouse gas emissions from rotting organic material.d)In terms of greenhouse gas costs, hydropower is comparable to more conventional sources of energy.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for CAT 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Though they do not involve burning dirty fossil fuels, hydropower projects are not emissions free. Often, large dams flood vast vegetated areas. As a result, the vegetation rots under water. Eventually, this leads to the release of methane, a greenhouse gas 34 times as potent as carbon dioxide. In some cases, large dams can result in even more lifetime greenhouse gas emissions than equivalent conventional sources. And this does not even include the emissions resulting from the construction of such dams – cement and equipment-heavy projects that usually take several years to build.a)Large hydropower projects contribute more to climate change than fossil fuels plants of equivalent generating capacity.b)As large dams result in significant greenhouse gas emissions, hydropower cannot be regarded as a clean source of energy.c)Hydropower projects cause flooding, leading to significant greenhouse gas emissions from rotting organic material.d)In terms of greenhouse gas costs, hydropower is comparable to more conventional sources of energy.Correct answer is option 'B'. Can you explain this answer?.

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And this does not even include the emissions resulting from the construction of such dams – cement and equipment-heavy projects that usually take several years to build.a)Large hydropower projects contribute more to climate change than fossil fuels plants of equivalent generating capacity.b)As large dams result in significant greenhouse gas emissions, hydropower cannot be regarded as a clean source of energy.c)Hydropower projects cause flooding, leading to significant greenhouse gas emissions from rotting organic material.d)In terms of greenhouse gas costs, hydropower is comparable to more conventional sources of energy.Correct answer is option 'B'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of Though they do not involve burning dirty fossil fuels, hydropower projects are not emissions free. Often, large dams flood vast vegetated areas. As a result, the vegetation rots under water. Eventually, this leads to the release of methane, a greenhouse gas 34 times as potent as carbon dioxide. In some cases, large dams can result in even more lifetime greenhouse gas emissions than equivalent conventional sources. And this does not even include the emissions resulting from the construction of such dams – cement and equipment-heavy projects that usually take several years to build.a)Large hydropower projects contribute more to climate change than fossil fuels plants of equivalent generating capacity.b)As large dams result in significant greenhouse gas emissions, hydropower cannot be regarded as a clean source of energy.c)Hydropower projects cause flooding, leading to significant greenhouse gas emissions from rotting organic material.d)In terms of greenhouse gas costs, hydropower is comparable to more conventional sources of energy.Correct answer is option 'B'. Can you explain this answer?, a detailed solution for Though they do not involve burning dirty fossil fuels, hydropower projects are not emissions free. Often, large dams flood vast vegetated areas. As a result, the vegetation rots under water. Eventually, this leads to the release of methane, a greenhouse gas 34 times as potent as carbon dioxide. In some cases, large dams can result in even more lifetime greenhouse gas emissions than equivalent conventional sources. And this does not even include the emissions resulting from the construction of such dams – cement and equipment-heavy projects that usually take several years to build.a)Large hydropower projects contribute more to climate change than fossil fuels plants of equivalent generating capacity.b)As large dams result in significant greenhouse gas emissions, hydropower cannot be regarded as a clean source of energy.c)Hydropower projects cause flooding, leading to significant greenhouse gas emissions from rotting organic material.d)In terms of greenhouse gas costs, hydropower is comparable to more conventional sources of energy.Correct answer is option 'B'. Can you explain this answer? has been provided alongside types of Though they do not involve burning dirty fossil fuels, hydropower projects are not emissions free. Often, large dams flood vast vegetated areas. As a result, the vegetation rots under water. Eventually, this leads to the release of methane, a greenhouse gas 34 times as potent as carbon dioxide. In some cases, large dams can result in even more lifetime greenhouse gas emissions than equivalent conventional sources. And this does not even include the emissions resulting from the construction of such dams – cement and equipment-heavy projects that usually take several years to build.a)Large hydropower projects contribute more to climate change than fossil fuels plants of equivalent generating capacity.b)As large dams result in significant greenhouse gas emissions, hydropower cannot be regarded as a clean source of energy.c)Hydropower projects cause flooding, leading to significant greenhouse gas emissions from rotting organic material.d)In terms of greenhouse gas costs, hydropower is comparable to more conventional sources of energy.Correct answer is option 'B'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Though they do not involve burning dirty fossil fuels, hydropower projects are not emissions free. Often, large dams flood vast vegetated areas. As a result, the vegetation rots under water. Eventually, this leads to the release of methane, a greenhouse gas 34 times as potent as carbon dioxide. In some cases, large dams can result in even more lifetime greenhouse gas emissions than equivalent conventional sources. And this does not even include the emissions resulting from the construction of such dams – cement and equipment-heavy projects that usually take several years to build.a)Large hydropower projects contribute more to climate change than fossil fuels plants of equivalent generating capacity.b)As large dams result in significant greenhouse gas emissions, hydropower cannot be regarded as a clean source of energy.c)Hydropower projects cause flooding, leading to significant greenhouse gas emissions from rotting organic material.d)In terms of greenhouse gas costs, hydropower is comparable to more conventional sources of energy.Correct answer is option 'B'. Can you explain this answer? tests, examples and also practice CAT tests.

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