Human Reproduction Question 251
Question: Green house effect refers to [CBSE PMT 1999; CPMT 2004]
Options:
A) Cooling of earth
B) Trapping of UV rays
C) Production of cereals
D) Warming of earth
Show Answer
Answer:
Correct Answer: D
Solution:
Increase in, , and other substances has disturbed the balance between the amount of energy received and that reflected back into the space.
This leads to rise in global temperature.
BETA
