10. which greenhouse gas is the most powerful absorber of the radiation emitted by
earth?
80%
a water vapor
b nitrogen
c carbon dioxide
od methane

The green house gas called methane is the powerful absorber of the radiation emitted by Earth.

Explanation:

Among the given list of green house gases in the option, methane is considered as most powerful absorber of the radiation emitted by earth.

It is because when we compare the availability of “carbon dioxide and methane” in the atmosphere it can be seen that methane is available in smaller quantity but the latter is “30 times stronger than the former in absorbing the Infra red radiation”. Thus methane is considered as strong or most powerful absorber.

1)

i))the process of preparing food by green plants in the presence of sunlight is called photosynthesis.

ii) leaf is the site for photosynthesis.

iii) it takes place as,

6h2o+6co2=c6h12o6+602