The upper stratosphere,consisting of the ozone layer,protects us from the sun's radiation that falls in the wavelength region of
- A$200-315\, nm$
- B$400-550\, nm$
- C$0.8-1.5\, nm$
- D$600-750\, nm$
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Among the gases $(a)-(e)$,the gases that cause greenhouse effect are
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$(a) CO_2$; $(b) H_2O$; $(c) CFCs$; $(d) O_2$; $(e) O_3$
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