Author Question: To reduce auto emissions in the United States, modifications to automobile engines have been ... (Read 70 times)

lbcchick

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To reduce auto emissions in the United States, modifications to automobile engines have been required since the 1960s.
 
  Indicate whether the statement is true or false.

Question 2

Roughly one-third of Earth's land surface, excluding Antarctica, is covered with forest and woodland.
 
  Indicate whether the statement is true or false.



jharrington11

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Answer to Question 1

Answer: TRUE

Answer to Question 2

Answer: TRUE



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