At the end of 2 seconds, a skydiver freely falling from rest has a speed of
A. 1 m/s.
B. 10 m/s.
C. 5 m/s.
D. more than 10 m/s.
Answer: D
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Which of the following environments is NOT very susceptible to mass wasting?
A. A steep and rocky slope B. A moderate slope made of fill materials C. A gentle slope with deep soils D. A slope that has many buildings on it E. Relatively flat-lying area
A(n) ________ system is one that exchanges energy and/or materials with its surroundings
Fill in the blank(s) with correct word
Burning ethanol derived from sugarcane produces at least ________ less greenhouse gases than burning an equivalent amount of gasoline
A) 33-66% B) 5-15% C) 16-32% D) 97-99% E) 87-96%
Of the following fluvial terms, which is most closely associated with stream capture?
A) Beheaded B) Braided C) Thalweg D) Meander E) Interfluve