The census of 1890 highlighted the "closing of the frontier," which coincided with
A) John Muir's conservation activities.
B) Rachel Carson's Silent Spring.
C) the greenbelt movement.
D) the Dust Bowl.
A
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Even if populations continue to increase over the next 50 years, fresh water per capita should remain stable. (T/F)
a. true b. false
Which of the following is a description of an anhydrous salt?
A) a salt which is insoluble in water B) a salt which is soluble in water C) a salt with no water incorporated in its crystal structure D) a salt with water incorporated in its crystal structure
Machinery, equipment, and plant buildings are examples of ________ capital
Fill in the blank(s) with correct word
Floods that develop rapidly with little or no advance warning are called ____ floods
a. rapid b. sudden c. storm d. thunderstorm e. flash