Human Reproduction Question 221
Green house effect is due to the presence of greenhouse gases [CBSE PMT 1989, 91; CPMT 1998, 99; AIIMS 2000]
Options:
A) Ozone layer in the atmosphere
B) Infrared light reaching the earth
C) Moisture layer in the atmosphere
D) layer in the atmosphere
Show Answer
Answer:
Correct Answer: D
Solution:
About 50% of the increase in Earth’s temperature is due to; 20% due to chlorofluorocarbons.
BETA
