The species name for modern man:a
Homo erectus d. neanderthalensis
b. Homo sapiens e. Cro-Magnon
c. Homo habilis
B
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Which one of the following statements is true for an artesian aquifer?
A) Upward flow from a permeable aquitard is prevented by a confining aquifer. B) In deep, stream-cut valleys, many springs are fed from artesian aquifers. C) The pressure at any point in the aquifer is considerably less than the weight of the water column between the point and the top of the aquifer. D) The water table in the recharge area is at a higher elevation than the top of the aquifer in the subsurface.
A beach slope in equilibrium will grow at slower rates than heavy depositional beaches. Indicate whether the statement is true or false
The difference between a confined and unconfined aquifer is determined by whether there is solid, impermeable surface beneath the aquifer
Indicate whether the statement is true or false
Aldo Leopold's "Land Ethic" essay ________
A) decries pesticide misuse B) encourages actions that preserve biotic communities C) describes how most toxic landfills are located in poorer communities D) describes the history of the EPA E) describes how American Navajos suffered from the adverse effects of uranium mining