Base flow is ____
a. groundwater seeping into stream channels
b. stream water seeping through the channel into the subsurface
c. gravity flow of water from the zone of aeration to the zone of saturation
d. the rate at which water moves from the zone of aeration to the water table
a
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Poaching of exotic species for profit has depleted populations of
a. Birds b. birds and mammals c. tropical fish and mammals d. orchids and redwood trees e. birds, mammals, tropical fish and orchids
What is the species name for modern man?
a. Cro-Magnon b. neanderthalensis c. Homo sapiens d. Homo habilis e. Homo erectus
Judge the following sentence according to the criteria given below: Microscopic zooplankton are primary consumers BECAUSE they eat microscopic phytoplankton
A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct, but the reason is incorrect. D) The assertion is incorrect, but the reason is correct. E) Both the assertion and the reason are incorrect.
A glacier will flow faster where it is steeper and ________.
A. thinner B. thicker C. younger D. older E. has more firn