Which of the following is a harmful effect of even carefully designed logging roads?
A. increased erosion
B. habitat corridors
C. decreased sediment runoff
D. increased access to farms, mines, and ranches
E. increased native biodiversity
Answer: A
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Winds are produced by
A. air sinking at the equator. B. uneven heating of the Earth by the Sun. C. the rotation of the Earth. D. All of these statements are correct. E. None of these statements is correct.
If a country is experiencing a negative net migration rate, then
A) more people are moving to the country than leaving it. B) the number of people leaving the country is equal to the number moving there. C) more people are dying in the country than are being born. D) more people are leaving the country than moving to it. E) a negative net migration rate does not tell us anything.
Sulfites, salts of the anion, SO32- are found in wines as preservatives. The acid associated with the sulfite ion is H2SO3. What is the name of H2SO3?
A) hydrosulfuric acid B) hydrosulfuous acid C) sulfuric acid D) sulfurous acid
Which of the following was not a consequence of the early heating of the earth?
A. formation of an atmosphere B. release of abundant, free oxygen into the atmosphere C. internal differentiation, forming a core, mantle and crust D. formation of the oceans