Why is clay poor soil?
A. Clay particles pack so tightly there is little air in clay soil.
B. It does not contain organic matter.
C. It doesn't allow sufficient drainage.
D. all of the above
Answer: D
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Give four categories of consumers in an ecosystem and the role that each plays
What will be an ideal response?
The geologic cycle is fueled by
A) solar energy. B) the Earth's internal heat. C) both solar energy and the Earth's internal heat. D) neither solar energy and the Earth's internal heat.
The formation of a mesocyclone requires
A) vertical wind shear. B) the existence of a wall cloud. C) the presence of stratocumulus clouds. D) the presence of a funnel cloud.
Where is most of Earth's freshwater found?
-as ice below Earth's surface -as ice at Earth's surface -as liquid below Earth's surface -as liquid at Earth's surface