Which of the following organisms are expected to show the highest concentration of DDT and other chlorinated hydrocarbons in its tissues?
A. sea lions
B. filter-feeding fishes
C. zooplankton
D. phytoplankton
E. carnivorous fishes
Answer: A
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In association with other natural factors, the Milankovitch cycles explain the advance and retreat of glaciers according to which of the following time periods?
A. hundreds of millions of years B. several million years C. ten thousand years to one hundred thousand years D. hundreds of thousands of years
Instead of purchasing a new car every 5 years and trading in the old one, a person buys a new, well-built car every 15 years, repairs it as needed, and then trades it in for a new one
This approach reduces the overall impact on the environment and best illustrates A) source reduction. B) composting. C) recycling. D) extending the life of a product.
The Sierra Nevada Mountains of California, and the Teton Mountains of Wyoming, ranges are examples of ________
A) folding, compression, and thickening of Paleozoic strata in Jurassic time
B) fault blocks uplifted by late Tertiary to Quaternary normal faulting
C) uplifted blocks bounded by Quaternary reverse faults
D) isostatic uplift of crust over thickened in early Paleozoic time
Which of the following is the best short summary of the law of conservation of matter?
a. There is no away. b. You cannot get something for nothing. c. You cannot break even. d. You can break even, but not get something for nothing. e. You can get something for nothing, but cannot break even.