An extensive aquifer, the ________, is present and allows irrigated agriculture from Nebraska to Texas
What will be an ideal response?
Answer: Ogallala
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The usual rigors of the intertidal zone are less severe in the sandy intertidal than the rocky intertidal. Indicate whether the statement is true or false
Why would you expect alpha particles to be less able to penetrate materials than beta particles of the same kinetic energy?
A. Alpha particles carry twice the electric charge. B. Alpha particles pick up electrons to become harmless helium atoms. C. Alpha particles move much slower for a given kinetic energy. D. Two of the above answers are reasonable.
Rivers collect water from runoff and
A) flooding. B) groundwater. C) evaporation. D) condensation.
Most of the world's glacial ice is located in _____
a. Alaska b. Iceland c. Antarctica and Greenland d. Canada and Switzerland e. Russia