Which mechanical weathering process will be most common in an arid environment?
A) Salt wedging
B) Abrasion
C) Root wedging
D) Exfoliation
Answer: B
Environmental & Atmospheric Sciences
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Most of the tourism and recreation sector in the Great Plains relies on visitors from where?
A) People from overseas B) People from nearby regions C) People from the the Great Plains D) People from all over North America
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The Earth has been deglaciating for the last ________ years
A) 900 B) 9,000 C) 90,000 D) 900,000 E) 9,000,000
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A 1-kg ball is tossed straight upward at 10 m/s. Neglecting air resistance, the net force that acts on the ball when halfway to the top of its path is
A. 1/2 N. B. 5 N. C. 10 N. D. 1 N.
Environmental & Atmospheric Sciences
The average net primary production for land-based ecosystems is always greater than marine-based ecosystems.
a. true b. false
Environmental & Atmospheric Sciences