Peru has large deposits of silver, tin, lead, and:
A) iodine
B) manganese
C) copper
D) diamonds
C
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Which of the following is not an effect of friction?
A) slows airflow B) increases the Coriolis effect C) causes airflow to cross isobars rather than run parallel to them D) none of the above
The most important source of the free oxygen in our atmosphere is:
A) green plants that carry on photosynthesis. B) the dissociation of water vapor in the upper atmosphere. C) deforestation. D) volcanic degassing.
Pressure drops from 378 mb at 8 km to 286 mb at 10 km in Key West. How much does pressure drop when you move from 8 km to 10 km at Key West?
Fill in the blank _____mb
The Dominican Republic-Central America Free Trade Agreement (DR-CAFTA) was patterned after NAFTA
Indicate whether the statement is true or false