Question

Excess amount of carbon dioxide is responsible for _____.
(a) Global cooling (b) Global warming (c) Both (a) and (b)
(d) None of these

Answer 1

Answer:

B) global warming

Explation

During combustion reactions, CO

2

is formed. During photosynthesis, plants utilize CO

2

and release O

2

. Due to excessive combustion, the concentration of CO

2

increases beyond certain limit and some CO

2

remains unutilized which absorbs heat irradiated by earth. Some of the heat is dissipated back in the atmosphere and the remaining is redirected back towards earth surface. This increases the temperature and is known as green house effect which results in global warming.

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Answer 2

Answer:

global warming is the answer of this question