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  • Which of the following is a recently originated problem of environment? (a) Ozone layer depletion (b) Green house effect (c) Global warming (d) All of the above

Which of the following is a recently originated problem of environment?

(a) Ozone layer depletion
(b) Green house effect
(c) Global warming
(d) All of the above

Answers (1)

Answer: D

Solution.

Ozone layer depletion, greenhouse effect and global warming are currently main problems for life on earth.
All these problems created by human being.
Emission of chlorine fluorine compounds is main cause of ozone layer depletion.
Burning of fossil fuels and deforestation increases the carbon dioxide level in atmosphere.
Carbon dioxide is the main gas responsible for greenhouse effect.
The increase of greenhouse gases is reason of global warming on Earth.
Hence, the correct option of this question is option D

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