If a substance accumulates in an animal rather than being broken down, then at each trophic level the concentration of that pesticide increases in a process called ________
A) eutrophication
B) biomagnification
C) biodeabsorption
D) bioabsorption
E) web disruptors
Answer: B
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Which of the following would be found in a landscape of most intense karst solution?
a. sinkholes b. disappearing streams c. swallow holes d. haystack hills (hums) e. speleothems
On human time scales, nonrenewable resources ____.
A. may be considered inexhaustible B. can never be recycled C. are replenished by natural processes within hours D. are used without ever becoming depleted E. can be depleted much faster than nature can form them
Extratropical cyclones form at the boundary between a Hadley cell and a Ferrel cell
a. True b. False
A breeder reactor differs from a burner reactor in that
A) a breeder reactor produces more nuclear fuel than it burns B) a breeder reactor uses fuel at an unsustainable rate C) a burner reactor burns uranium 235 at a sustainable rate D) a burner reactor produces energy by fission, while a breeder reactor produces energy by fusion