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Author Question: ____________________ are the primary cause of ozone-layer depletion. Fill in the blank(s) with ... (Read 84 times)

sabina

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on: Jul 13, 2018
___________________ _ are the primary cause of ozone-layer depletion.
 Fill in the blank(s) with correct word

Question 2

____________________ is the only substance that exists in all three phases in the atmosphere.
 Fill in the blank(s) with correct word


sokh

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Reply #1 on: Jul 13, 2018
Answer to Question 1

Chlorofluorocarbons (CFCs)

Answer to Question 2

Water


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