Of the following, which is a cause of cultural eutrophication?
A. lawn fertilizers
B. decaying native plants
C. sediments
D. dead fish
Answer: A
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Despite potential problems, the general trend in the production and use of transgenic organisms in Europe, the United States, and the developing world is toward
A) decreased production of bioengineered foods and nonfood crops. B) increased production of bioengineered foods and nonfood crops. C) decreased production of bioengineered foods but increased production of nonfood crops. D) increased production of bioengineered foods but decreased production of nonfood crops.
The underclass is characterized in part by high rates of
A) drug addiction and illiteracy. B) employment and illiteracy. C) fire protection and police protection. D) literacy and education. E) social mobility and government services.
Why is older climate data smoother when graphed than the present spikiness?
A) Climate was unusually steady millions of years ago. B) Each data point represents less years in the older data. C) Each data point represents more years in the older data. D) Both A and C
In rock, ________ is another term for pressure release
A) creep B) slumping C) unloading D) rusting E) oxidation