Chemistry
JAMB 2009
The gas that is most useful in protecting humans against solar radiation is?
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A.
chlorine
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B.
ozone
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C.
carbon (IV) oxide
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D.
hydrogen sulphide
Correct Answer: Option B
Explanation
The ozone layer in the stratosphere absorbs a portion of the radiation from the sun, preventing it from reaching the planet's surface.
Most importantly, it absorbs the portion of UV light called UVB.
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