DDT and mercury
A) accumulate in the tissues of organisms.
B) deplete the ozone layer.
C) contribute to acid precipitation.
D) were once used as an energy source.
Correct Answer:
Verified
Q11: According to this graph of changes in
Q12: Captive breeding
A)can work for animals,but is generally
Q13: A regional assemblage of interacting ecosystems is
Q14: Greenhouse gases include
A)carbon dioxide and nitrogen.
B)carbon dioxide
Q15: One way in which populations and species
Q17: Which of the following is not an
Q18: Which of the following statements about movement
Q19: The introduction of wolves into Yellowstone National
Q20: CO2 in the atmosphere is absorbed by
Q21: The ability to change phenotype in response
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