Carcinogens are primarily known to cause or promote
A. genetic defects.
B. birth defects.
C. cancer.
D. chronic health effects.
E. allergic reactions.
Answer: C
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Physical geography focuses primarily on:
A) social dynamics. B) cultural dynamics. C) language dynamics. D) environmental dynamics. E) music dynamics.
Detrital sedimentary rocks can undergo lithification by ____
A)precipitation B)transpiration C)dissolution D)cementation E)evaporation
Which of these actions can we take to reduce desertification?
A. increase irrigation B. increase grazing C. manipulate weather to control drought D. decrease number of trees in desertified areas E. decrease human contribution to climate change
Which of the following would be characteristic of the profundal zone?
A. rooted plants B. low oxygen levels C. nourished by dead matter D. high photosynthetic activity E. decomposers and detritus feeders