The direct consequences of biodiversity loss include ____
a. global climate change
b. health and social impacts
C. overharvesting
D. increased human population growth
E. the loss of sources of medicines
Answer: E. the loss of sources of medicines
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Construction of a dam results in
A) an increase in the total amount of water flowing downstream of the dam.
B) increased erosion by clear water released from the dam.
C) the dam releasing water that contains more sediment than carried by the river before the dam was constructed.
D) increased erosion where the stream channel meets the reservoir.
Foliated metamorphic rocks form when pressure is applied
a. outward at the two sides (tension). b. inward at the two sides (compression). c. in a shearing environment (tension). d. as compression or tension
Which of the following is predicted to occur in the 21st Century as a result of climate change?
A) An increase in global snowfall due to an increase in atmospheric moisture. B) Increased frequency and intensity of tropical cyclones due to increased ocean temperatures. C) Less lake-effect snowfall due to warming waters. D) Decrease in extreme snowfall events (blizzards).
?Match the term with the correct description.
A. ?population projected to triple between by 2050 B. ?makes up about 25% of the U.S. population C. ?country with the world's highest percentage of people age 65 and older D. ?the world's fourth largest economy E. ?world's most populous country