Large scale deforestation leads to the decrease in the amount of gas A in the atmosphere whereas the amount of gas B increases. The increased amount of gas B in the atmosphere causes an effect C which leads to excessive heating of the earth and its atmosphere producing an undesirable phenomenon D. What are A, B C and D?
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Trees are important for us. Aren't they? They are indeed. According to your question, the answer is-:
• A is OXYGEN. Plants give oxygen. If the trees will be cut down , the life gas that is oxygen will decrease and that will have a dangerous impact.
•B is CARBON DIAOXIDE. Plants take in the carbon dioxide we give out. If tress will be cut, carbon dioxide won't be taken in by anyone, and thus increase in carbon dioxide will be there and it's dangerous.
•C is global warming. Carbon dioxide will make the earth heat up and that will make an undesirable impact on the surrounding.
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Hello!Here A, B and C are the following :
A => Oxygen gas [defforestation leads to the decrease of oxygen gas which can be harmful for us]
B => Carbon dioxide [Trees take in carbon dioxide from the the air but their absence can make a vast difference]
C => Global warming [Excessive amount of carbon dioxide leads to global warming ie the temperature of the earth increases]
HOPE THIS HELPS YOU...