Which one of the following cause global warming
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1. Which one of the following cause global warming?
a) Carbon dioxide
b) Oxygen
c) Nitrogen
d) Hydrogen
2. How many percent of carbon dioxide increased in the atmosphere since pre-industrial times?
a) About 10%
b) About 20%
c) About 30%
d) About 40%
3. What is the full form of UNFCC with respect to global warming convention?
a) United Nations Framework Convention on Climate Change
b) United Nations Federation Convention on Climate Change
c) United Nations Framework Center on Climate Change
d) United Nations Federation Center on Climate Change
4. Who measures the global warming rate?
a) Astrologers
b) Physicist
c) Philosopher
d) Climatologist
5. Which one of the following result takes place due to global warming?
a) Maintaining steady temperature
b) Changes in the rainfall
c) Pleasant environment
d) Causing less pollution