Question

Which one is correct percentage of greenhouse gases?

• A. $C{O}_2-4)\%,CFCs-30\%$
• B. $N_{2}O-6\%,C{O}_2-86\%$
• C. $CFCs-14\%,$Methane $-20\%$
• D. Methane $-20\%,N_{2}O-18\%$

Answer 1

The correct option is C $CFCs-14\%,$Methane $-20\%$

Greenhouse gases

A greenhouse gas is a gas that absorbs and emits infrared radiation.

They absorb infrared energy (heat energy) emitted from the Earth’s surface and reradiate it back to the Earth’s surface.

The greenhouse gases trap heat in the Earth’s atmosphere and warm the planet.

Contribution of greenhouse gases

The figure given below shows the relative contribution of various greenhouse gases to total global warming.

Diagram

Contribution of greenhouse gases

The relative contribution to global warming by the different greenhouse gases is:

• $C{O}_2:60\%$
• $C{H}_4:20\%$
• $CFCs:14\$$
• $N_{2}O:6\%$

$\text{Final answer}$

(b) CFCs-14%, Methane-20%