Complete the statemense with the only correct ending.
Every year thousands of species of amimals_____
Complete the statemense with the only correct ending.
Acid rain is caused by_____
Complete the statemense with the only correct ending.
Factory smoke_____
Complete the statemense with the only correct ending.
Scientistis think acid rain_____
Which of the following is true?
Which of the following is true?
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