A greenhouse gas that absorbs energy and maintains earth temperature is.
a) Carbon dioxide
b) Oxygen
c) Nitrogen
d) argon
Which of the following is NOT a greenhouse gas?
a) oxygen
b) methane
c) ozone
d) carbon dioxide
Greenhouse effect is responsible for:
NTS PST–P-2----2015
a) melting of glaciers
b) rising sea level
c) dramatic climate change
d) all of these
Global warming refers to the rise in average …………on earth.
a) rainfall
b) temperature
c) air speed
d) all of these
Global warming is mainly caused by;
NTS PST(2016/2017)
a) carbon dioxide
b) carbon monoxide
c) nitrogen dioxide
d) nitrogen monoxide
e) sulphur trioxide
Global warming is mainly caused by:
NTS PET24/08/2019 (1:30)
a) oxides of sulfur
b) oxides of nitrogen
c) carbon dioxide and methane
d) carbon monoxide
