Which of the following is an accurate statement about polar climates?
A. They extend far to the south of the Arctic circle.
B. They are characterized by strong low-pressure systems.
C. They have little precipitation.
D. They are a source of cT air masses.
Answer: C
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Why might an area with a large amount of limestone (CaCO3) be less susceptible to acid rain?
A. Only acid rain made from sulfur compounds reacts with the limestone. B. The acid in the rain is neutralized by the natural base in the limestone. C. The rain travels quickly through the porous limestone, and therefore, the rate of reaction is slower. D. Limestone is degraded by acid rain, and therefore, acid rain has the same damaging effects. E. none of the above
It is generally believed that vast areas of the continental crust known as shields have not been significantly changed for millions of years
Indicate whether the statement is true or false.
How does water dissolve sodium chloride (NaCl)?
A) ?Water molecules neutralize sodium ions (Na+) and chloride ions (Cl-). B) ?The polarity of water causes the sodium ion (Na+) to separate from the chloride ion (Cl-). C) ?When seawater evaporates, its ionic components combine to dissolve table salt. D) ?Water molecules expand causing sodium ions (Na+) and chloride ions (Cl-) to decompose.
Taken together, labor, capital, technology, entrepreneurship, and land containing raw materials are called
A) factors of consumption. B) comparative advantage. C) terms of trade. D) demand conditions. E) factors of production.