Answer:
D) greenhouse effect
Explanation:
Greenhouse effect -
It is the effect , which helps the to maintain the climate of the planet earth , and avoid it from freezing ,
According to this effect , the radiations gets trapped inside the atmospheric layer of the planet Earth , the process is accomplished by using certain greenhouse gases , like carbon dioxide , water vapor , methane etc.
Hence , from the question, the correct term for the given statement of the question is greenhouse effect .