If ice flow in a glacier ceases, ____
a. the glacier will continue to grow
b. the glacier is no longer considered active
c. accumulation is still taking place
d. the glacier is no longer calving
b
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Since 1958, CO2 in the atmosphere has
a. ?increased in concentration by 30%. b. ?decreased in concentration by 30%. c. ?remained at about the same concentration from year to year. d. ?disappeared entirely. e. ?has doubled in concentration.
Wegener's theory of continental drift
A) was first considered a monumental breakthrough in science. B) was not accepted by the scientific community of Wegener's time C) utilized data from several scientific disciplines. Wegener proposed that continental drift was generated from convection motion. D) has been proven wrong.
An estimated ________ people could be displaced by a sea level rise of 1.0 m (3.2 ft)
A) 1,000,000 B) 10,000,000 C) 100,000,000 D) 130,000,000
Which of the following states has the high percentage of recycling?
a. California b. Texas c. New Jersey d. Minnesota e. Vermont