Which descriptor is true of a tropical rain forest?
A. They have high net primary productivity.
B. They have many plants living at ground-level.
C. They receive high levels of ground level sunlight.
D. They have little biodiversity.
E. They have nutrient-rich soil.
Answer: A
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Erosion and deposition depend on
A. gravity. B. the properties of rock. C. energy from the Sun. D. all of these
Contrast density variations with depth in the high and low latitudes. Why do high-latitude waters generally lack a pycnocline?
What will be an ideal response?
The North Atlantic Drift is a warm ocean current
Indicate whether the statement is true or false
When rock is subjected to compressive force, it may fault. If rocks in the hanging wall are pushed up over rocks in the footwall, it is called a
A. normal fault. B. reverse fault. C. strike slip fault. D. none of the above