The principal source of infectious waste material in water is
A. agricultural pesticides.
B. industrial waste.
C. human feces.
D. surface runoff.
Answer: C
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Sag ponds normally are associated with:
a. normal faults b. strike-slip faults c. reverse faults d. thrust faults
How do deep-ocean trenches form?
A) Magma from a partially melting tectonic plate makes its way through the crust. B) Subducting lithosphere descends into the mantle. C) Two tectonic plates diverge and create a rift valley. D) Sediments from a turbidity current settle out in a deep ocean basin.
What are these sharp, glacially carved ridges?
A. arête B. razorback C. hogback D. flatiron E. cirque
If a mountain rises 25.0 centimeters (cm) in 125 years
(a) The rate of uplift is _____________ cm/year. (b) In 10,000 years, this mountain will be _____________________ cm taller