The most numerous and greatest biomass of herbivores are ________.
A. zooplankton
B. primary consumers
C. the great whales
D. fish
E. zooplankton and primary consumers
Answer: E
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An example of a market-based incentive for environmental protection would be
A. Fees charged to inventors of new control technologies B. Rigid laws outlawing pollution production C. Setting prices for pollution according to consumer demand D. Fees placed on certain types or volumes of a pollutant E. All of these are examples of market-based incentives for environmental protection
Which model of the internal social structure of the city explains that a city grows outward from a central area in a series of five rings, like the growth rings of a tree?
A) The concentric model B) The sector model C) The multiple nuclei model D) The adaptive concentric model E) The successive hierarchy model
Which of the following is NOT a common attenuation mechanism for contaminants in groundwater?
a. dilution (dispersion) b. filtering c. precipitation d. anion exchange
Parallel bands of magnetized rock that show alternating polarities stripe the floor of the Atlantic Ocean; the pattern is symmetrical and parallel with the spreading center.
Answer the following statement true (T) or false (F)