GK
BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which one of the following is the correct percentage of the two (out of the total of 4) green house gases that contribute to the total global warming?
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CFCs 14 %, Methane 20 %
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N2O 6 %, CO286 %
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CO240 %,CFCs 30 %
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Methane 20 %, N2O 18 %
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Explanation:
Detailed explanation-1: -So, the correct answer is ‘CFC−14%, CH4-20%
Detailed explanation-2: -The various greenhouse gases are CO2 (warming effects 60%), methane(20%), CFC(14%) and N2O (6%).
Detailed explanation-3: -The effect of greenhouse gases Carbon dioxide is responsible for 53% of the level of global warming. It is the result of processes such as fuel use, deforestation and production of cement and other materials.
Detailed explanation-4: -The contribution of the CFC group has declined (12 percent to 7.6 percent), while the contribution of CFC substitutes-hydrochlorofluorocarbons (HCFCs for short) and hydrofluorocarbons (HFCs)-has increased (1 percent to 3.2 percent).
There is 1 question to complete.