Regarding the assertion and reason, choose the correct option. Assertion [A]: Deforestation is one main factor contributing to global warming. Reason [R]: Besides CO 2 , methane and CFCs are also greenhouse gases. Options: A . &nbspBoth A and R are true and R is the correct explanation of A B . &nbspBoth A and R are true but R is not the correct explanation of A C . &nbspA is true but R is false D . &nbspBoth A and R are false

Regarding the assertion and reason, choose the correct option. Assertion [A]: De

Question

Regarding the assertion and reason, choose the correct option.
Assertion [A]: Deforestation is one main factor contributing to global warming.
Reason [R]: Besides CO₂, methane and CFCs are also greenhouse gases.

Options:

A . Both A and R are true and R is the correct explanation of A

B . Both A and R are true but R is not the correct explanation of A

C . A is true but R is false

D . Both A and R are false

Answer: Option B
:
B
Carbon dioxide is an important greenhouse gas and it is necessary that it is present in the correct amountsin the atmosphere so that the normal temperature of the earth is maintained. Trees are mostly responsible for maintaining balancedcarbon dioxide levels on earth. However, due to increased deforestation, thecarbon dioxidelevels have been continually rising as there are not enough trees to ultilise the excesscarbon dioxide emitted from our automobiles, industriesetc. While carbon dioxide is the major contributor to global warming, methane and CFCs are other greenhouse gases which also contribute to it.

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