How much of the United States coastline is considered to be depositional?
A) 20%
B) 30%
C) 60%
D) 70%
B
Environmental & Atmospheric Sciences
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Which of the following is a resource that is both nonrenewable and nonmetallic?
A. Copper B. Solar energy C. Sand D. Trees E. Clean air
Environmental & Atmospheric Sciences
The spatial detail in a typical general circulation model is
A) about 10 meters. B) about 100 meters. C) about 1 kilometers. D) about one or two degrees of latitude or longitude.
Environmental & Atmospheric Sciences
Most atmospheric free nitrogen is cycled to Earth by means of ________
A) assimilation B) weathering C) rain D) mining E) bacteria
Environmental & Atmospheric Sciences
A sedimentary structure that forms a polygonal pattern in a fine-grained sedimentary layer when the layer dries up because it was exposed to the air is known as _____________
a) Ripple mark b) Cross bed c) Burrow d) Mud crack e) Graded bed
Environmental & Atmospheric Sciences