What has replaced the native biodiversity that was contained in prairie ecosystems in the central part of the U.S.?

What will be an ideal response?


monoculture farms

Environmental & Atmospheric Sciences

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Rapid changes of a magnetic field induces

A) a magnetic field of greater magnitude. B) a magnetic field of the same magnitude. C) an electric field.

Environmental & Atmospheric Sciences

Which of the following is a characteristic of a perfect pesticide?

A. is inexpensive B. affects only target organisms C. a short life D. All of these are correct.

Environmental & Atmospheric Sciences

The pattern of absorbance of solar energy by the atmosphere includes

A. absorbance of infrared radiation by carbon dioxide and water vapor. B. a remarkable uniformity in the proportion of different kinds of wavelengths absorbed by ozone. C. heavy absorbance of visible light by carbon dioxide.

Environmental & Atmospheric Sciences

A group of countries that agree to control the market by limiting production in order to drive up prices is

A) a cartel. B) a world bank. C) an ITCZ. D) an ecumene.

Environmental & Atmospheric Sciences