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Which of the following factors are contributing to Global Warming ?

(A) Burning of coal

(B) Deforestation

(C) Methane gas released in animal waste

(D) Use of fossil fuel

(E) Use of Hydropower

Choose the correct answer from the options given below :

Solution

Correct Option: 2

Burning of coal, deforestation, methane released from animal waste and the use of fossil fuel all increase greenhouse gas emissions and contribute to global warming. Hydropower is a clean, renewable source that does not emit significant greenhouse gases. So factors contributing are (A), (B), (C) and (D) only.

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