One ongoing concern about transgenic crops that produce pesticides is that this trait may
A) kill other insects that are not pests.
B) be so effective that all of the crop pests are eliminated.
C) be transferred to other crops, such as soybeans or cotton.
D) not kill pests that attack other crops, such as soybeans or cotton.
A
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Not all systems require energy to operate. Indicate whether the statement is true or false
In a large city experiencing urban blight, we would be surprised to find
A) a declining tax base. B) depreciating real estate. C) improving schools. D) increasing crime.
Which of the following is not a facilitator of mass wasting?
A) Angle of repose B) Water C) Clay D) Permafrost E) Flat landscapes
Which of the following statements about municipal solid waste and a country's economic status is correct?
A. The level of income is unrelated to the amount of municipal solid waste produced. B. High income countries produce more municipal solid waste than low income countries. C. Low income countries produce more municipal solid waste than high income countries. D. None of these are correct.