5. What will probably be discussed next?
A. How to make air conditioners with flourocarbons
B. Harmful effects of ultraviolet light
C. The make- up of the ozone layer
D. The sun as a cause of ozone layer depletion
Question VIII: Use the suggestions to complete each sentence of the following letter.
(you can make any changes if necessary, but you mustn’t leave out any word given)
Dear Julia,
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