What is the projected population of Earth in 2050?
A. 95 billion
B. 95 million
C. 9.5 billion
D. 950 billion
Answer: C
Environmental & Atmospheric Sciences
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Which animal has been removed from the U.S. endangered species list?
A. manatees B. American crocodile C. pythons D. California condor E. bald eagles
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Which of the following is a pull factor that is causing people to leave their farms for urban life?
A) low crop prices B) opportunities for college education C) difficult and sometimes dangerous work D) expansion of housing subdivisions onto farmlands E) high cost of machinery
Environmental & Atmospheric Sciences
Of the rocks listed below, the most widely distributed type of metamorphic rock is ________
A) schist B) granite C) opal D) sandstone E) quartz
Environmental & Atmospheric Sciences