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Author Question: The ozone hole was first discovered in the: A. 1960s B. 1970s C. 1980s D. 1990s E. 21st ... (Read 57 times)

OSWALD

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on: Sep 10, 2018
The ozone hole was first discovered in the:
 
  A. 1960s
  B. 1970s
  C. 1980s
  D. 1990s
  E. 21st century.

Question 2

Which of the following has caused the most pressure on land resources?
 
  A. Urbanization
  B. Population growth
  C. Industrialization
  D. Pollution
  E. Food production


prumorgan

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Reply #1 on: Sep 10, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: E


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