An organic farmer is Kansas just found out that a neighboring farm is using genetically modified (GM) seeds. Why should he be concerned?
A. The DNA from the GM plants will contaminate his crop.
B. The DNA from his plants will contaminate the GM plants.
C. His crop will wither and die
D. He will only be able to sell his crop to organic buyers.
Answer: A
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A population pyramid with a wide base and a narrow peak is characteristic of what kind of growth rate?
A) slow growth B) zero growth C) rapid growth D) negative growth E) It is impossible to tell the growth rate based on the shape of a population pyramid.
The marketplace prices of goods and services do not include the ____.
A. overhead cost of raw materials B. supply-side costs of manufacturing C. environmental costs of resource use D. manufacturer's cost of distribution E. cost of advertising a product
The nucleus of old crystalline rock in each of the principal continental masses is called a
A) basalt mass. B) continental shield, or craton. C) mountain mass. D) composite zone.
In terms of areal extent, which of the following sequences is ordered from largest to smallest extent covered?
A) ice sheet, alpine glacier, ice field, ice cap B) ice cap, alpine glacier, ice sheet, ice field C) ice sheet, ice field, ice cap, alpine glacier D) ice sheet, ice cap, ice field, alpine glacier E) alpine glacier, ice field, ice cap, ice sheet