Burning of fossil fuel causes:
a) air pollution
b) global warming
c) both a and b
d) none of these
Global warming could affect…………….........
a) Food production
b) Climate
c) Melting of glaciers
d) all of them
Greenhouse effect is related to………………..
a) Green tree on house
b) Grasslands
c) Global warming
d) Greenry
Checking of re radiating heat by atmospheric carbon dioxide, dust, methane, ozone is known as….
a) solar effect
b) ozone layer
c) greenhouse effect
d) none of these
Which of the following is not a major green house gas?
a) carbon dioxide
b) methane
c) water vapour
d) ozone
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