Of all the old-growth forests that stood in the United States before the European settlement, how much remains today?
A. About 50%
B. About 15%
C. Slightly over 25%
D. Less than 10%
E. About 35%
Answer: D
Environmental & Atmospheric Sciences
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Fill in the blank(s) with correct word
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The social and environmental impacts of mining cause those countries that exploit mineral resources to be poor and thinly populated
Indicate whether the statement is true or false
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Approximately what percentage of stomach acid is HCl?
A) 0.5% B) 1.0% C) 5.0% D) 10.0%
Environmental & Atmospheric Sciences
What is NOT true about playas?
A. They are dry lake beds. B. They are not fed by area streams. C. They occupy the area of lowest elevation. D. They develop very flat and level surfaces. E. They are only temporarily filled with water.
Environmental & Atmospheric Sciences