The process is functional in removing carbon dioxide from the atmosphere……
a) lightening
b) deforestation
c) photosynthesis
d) burning of fossil fuels
How much concentration increased have increased over past 200
years?
a) 30 percent
b) 35 percent
c) 40 percent
d) 45 percent
Without green effect, our planet would have been ……….degree colder than today.
a) 50
b) 30
c) 60
d) 20
How much temperature is increased in 21st century?
a) 1 to 2oC
b) 2 to 6oC
c) 2 to 7 oC
d) 2 to 8 oC
How much atmospheric temperature increased since 1900?
a) 30 percent
b) 35 percent
c) 40 percent
d) 45 percent
Which of the following are consequences of global warming?
a) will lead to evaporation
b) may damage the crops
c) cause ice at poles melt
d) all of these
