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New for SSC CGL students

Monday, 14 September 2015

Green-house gas

NDA NA Exam I 2015 Questions
Question 106 When heat rays are reflected from Earth, gases like Carbon dioxide, Nitrous oxide do not allow them to escape back to the space causing our planet to heat up. These gases are known as
A) Noble gas
B) Green-house gas
C) Hot gas
D) Blue gas

Answer: Green-house gas

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