3. What is the main cause of acid rain?
*
a. decrease in ozone levels
O b. burning of...
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Biology, 26.04.2021 21:10 manuellopez1981
3. What is the main cause of acid rain?
*
a. decrease in ozone levels
O b. burning of fossil fuels
c. changes in the atmosphere
O d. changes in the climate
![ansver](/tpl/images/cats/User.png)
Answers: 3
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