7) Select all of the following statements that are true about ozone depletion. a

Question

7) Select all of the following statements that are true about ozone depletion.

a) CFC molecules are very stable in the atmosphere and gradually diffuse upward to the ozone layer.

b) CFC molecules in the ozone layer absorb UV radiation and break apart with one molecule being ClO (chlorine oxide).

c) ClO molecules then release their O to a passing O in the ozone layer.

d) The lone Cl atom then attaches to an O3 molecule, breaking it into O2 and ClO

e) The ClO molecule then falls to Earth and removes some oxygen from the ozone layer.

Explanation / Answer

Ture

A)

D)

C)

False

B) CFC breaks to relase the free Cl by reacting with uv rays.

E) ClO breaks up in ozone layer and again reacts with another ozone molecule.

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