RRB Technician 2014 Ques 49
Question: Greenhouse gas is
Options:
A) $ CO _2 $
B) $ O _2 $
C) $ H _2 $
D) $ N _2 $
Show Answer
Answer:
Correct Answer: A
Solution:
- The gases which trap the higher wavelength IR radiation going outside from the Earth and thus maintaining the Earth temperature are called greenhouse gases e.g., $ CO _2,,CH _4 $ water vapours etc.
BETA
