Question

Higher concentration of CO₂ in atmosphere

a.

allows visible solar radiation (ultraviolet) of short wave-length to pass through.

b.

reflects and absorbs the longer wavelength (infra-red) radiations.

c.

prevents solar heat being radiated out completely, resulting in 'heat trap' i.e., global warming.

d.

all (a), (b) and (c).

Answer: (d).all (a), (b) and (c).

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Q. Higher concentration of CO₂ in atmosphere

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