The greatest threat to tropical rain forests is ________
A) birds feeding in canopies of many trees
B) deforestation
C) high nitrogen levels in the soil
D) pesticide use
E) lack of rainfall
B
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Which nation did the Taliban use as a safe haven against US/NATO bombing raids within Afghanistan?
A) Iran B) Uzbekistan C) India D) Tajikistan E) Pakistan
Why is Mount Etna in Sicily an important place for geology?
A) It is very calm, showing the serenity of the earth. B) It is a famous underwater volcano. C) It is a famous mountain for geologists to climb. D) It is an active volcano, showing that the earth is a dynamic place.
What is an example of creeping normalcy?
A. Landsliding B. The process of deforestation C. Volcanic activity D. Earthquake activity
The longest day of the year in the United States occurs on:
a. June 21 b. March 3 c. November 18 d. December e. September 30