Question

How many of the following statements are correct ?
1. Good ozone is found in the stratosphere.
2. UV radiation having a lower wavelength than UV -B is almost completely absorbed by the Earth's atmosphere.
3. UV - B causes snow blindness and cataract.
4. dB is a unit to measure the thickness of ozone.

Answer 1

Answer:

1.Good ozone is found in the stratosphere

Explanation:

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Answer 2

Answer:

Good ozone is found in the stratosphere

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