Q287
_________ is the phenomenon where the earth retains heat.
A.
Air pollution
B.
Green house effect
AnswerC.
Global effect
D.
Land pollution
Answer: Option B
Solution
Answer: Option B
Solution:
The greenhouse effect is one of the main factors determining the temperature of a planet. It's the phenomenon by which certain gases – so-called greenhouse gases – in the atmosphere trap heat that would otherwise escape to space, thereby keeping the planet warm.