Acid mine drainage results from the oxidation and dissolution of coal and ________ ores
Fill in the blank(s) with correct word
sulfide
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India ____ family-planning program
a. had the world's first national b. has the world's most successful c. has the world's only national d. has the world's largest e. all of these answers
Explain two measures of an earthquake's strength that are commonly used by seismologists
Within a community, species of
A) plants rarely interact with fungi or bacteria. B) bacteria, plants, animals, and fungi all interact. C) plants and animals interact, but not with bacteria or fungi. D) bacteria and fungi interact with plants but not animals.
The use of stereo pairs is important in creating maps because they
A. reveal the three-dimensional features of a landscape. B. remove the distortions introduced by the map projection. C. allow the scale to become smaller. D. penetrate through the clouds that may have been present on the day when the aerial photograph was taken.