Which of the following atmospheric layers has the greatest density?
a. Thermosphere.
b. Troposphere.
c. Stratosphere.
d. Mesosphere.
Answer: b. Troposphere.
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Using charcoal or resins to filter out harmful solids is a ____ method.
A. chemical B. physical C. biological D. geological E. physiological
Those who adhere to the free-market worldview suggest that all public property resources should be converted to private property resources.
Answer the following statement true (T) or false (F)
Which of these is an example of a verbal scale?
a. a north arrow b. 1:10, 000 c. contour interval = 20 ft d. 1 inch to 10 miles e.
What is NOT true about the frozen part of the hydrosphere?
A. It is known as the cryosphere. B. It includes ice only on the land. C. It is the largest freshwater storage in the hydrosphere. D. It is made up of the solid portion. E. Its exact quantities change with the seasons.