Which of the following food chains will have the greatest loss of chemical energy?
A. algae > minnow > bass > bear > decomposer
B. lettuce > rabbit >fox > decomposer
C. carrot > mole > hawk > decomposer
D. flower > hummingbird > decomposer
Answer: A
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How do soils that form in humid regions differ from soils that form in semi-arid regions in the
environments in which they form and in their basic characteristics? What will be an ideal response?
How many different hydrocarbons are typically found a sample of unrefined petroleum?
A) about 5 B) about 50 C) about 100 D) over a 1000
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a. one-eighth; two-eighth b. two-eighth; three-eighth c. three-eighth; four-eighth d. four-eighth; five-eighth e. five-eighth; six-eighth