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Consider the following:
1) Rice fields
2) Coal mining
3) Domestic Animals
4) Wetlands
Which of the above are sources of methane, a major greenhouse gas?
  • a)
    1 and 4 only
  • b)
    2 and 3 only
  • c)
    1, 2 and 3 only
  • d)
    1, 2, 3 and 4
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Consider the following:1) Rice fields2) Coal mining3) Domestic Animals...
Sources of Methane as a Greenhouse Gas

Methane is a potent greenhouse gas that contributes to global warming. Sources of methane include:

1) Rice fields
2) Coal mining
3) Domestic animals
4) Wetlands

Explanation:

1) Rice fields: Methane is produced in rice paddies due to the anaerobic conditions in the soil. When rice fields are flooded, organic matter in the soil breaks down and produces methane as a byproduct.

2) Coal mining: Methane is often found in coal seams and can be released during mining operations. This methane can escape into the atmosphere and contribute to global warming.

3) Domestic animals: Methane is produced during the digestive process of domestic animals, such as cows and sheep. This methane is released through belching and flatulence.

4) Wetlands: Wetlands are natural sources of methane due to the anaerobic conditions in the soil. When organic matter in the soil breaks down, methane is produced as a byproduct.

Conclusion:

All of the above sources are major contributors to methane emissions and therefore contribute to global warming. It is important to find ways to reduce methane emissions from these sources in order to mitigate the impacts of climate change.
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Community Answer
Consider the following:1) Rice fields2) Coal mining3) Domestic Animals...
Explanation: Wetlands are the largest source for Methane emission, as bacteria decompose organic materials in the absence of oxygen. Domestic Livestock such as cattle, buffalo, sheep, goats and camels produce large amounts of methane as part of their normal digestive process.
Fermentation process in Rice Fields produces methane gas too. Methane is released as a direct result of the physical process of Coal extraction.
Educational Objective: Learn about sources of major Greenhouse gases.
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Consider the following:1) Rice fields2) Coal mining3) Domestic Animals4) WetlandsWhich of the above are sources of methane, a major greenhouse gas?a)1 and 4 onlyb)2 and 3 onlyc)1, 2 and 3 onlyd)1, 2, 3 and 4Correct answer is option 'D'. Can you explain this answer? for Railways 2025 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about Consider the following:1) Rice fields2) Coal mining3) Domestic Animals4) WetlandsWhich of the above are sources of methane, a major greenhouse gas?a)1 and 4 onlyb)2 and 3 onlyc)1, 2 and 3 onlyd)1, 2, 3 and 4Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Railways 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following:1) Rice fields2) Coal mining3) Domestic Animals4) WetlandsWhich of the above are sources of methane, a major greenhouse gas?a)1 and 4 onlyb)2 and 3 onlyc)1, 2 and 3 onlyd)1, 2, 3 and 4Correct answer is option 'D'. Can you explain this answer?.
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