What is sustained yield, and what happens if it is exceeded? What will be an ideal response?
This refers to the amount of groundwater that can be produced in a given area over a long period of
time without depleting the resource. If more water is produced above sustained yield, an overdraft
condition occurs called groundwater mining.
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What aspect of the Sun's behavior wraps and distorts the solar magnetic field?
A. sunspot activity due to differential heat dispersion B. plasma fluxes within the core C. the differential spin between the equatorial and polar regions D. the cycle of the reversal of the magnetic poles
True or False: No rocks originate from observable processes that take place at earth's surface
Indicate whether this statement is true or false.
The Aleutian low and Icelandic low are
A) dominant in the winter and weaken or disappear in the summer. B) dominant in the summer and weaken or disappear in the winter. C) dominant in the spring and fall and weaken or disappear in the summer and winter. D) dominant year-round, but tend to be strongest in the summer.
The natural increase of a population is defined as
A. the total number of individuals entering a population by birth or immigration per year. B. the number of additions to a population by any means. C. the crude birth rate less the crude death rate. D. the total number of children added to a population less the number who are adopted.