The organisms that make their own food are called ____
A) primary consumers
B) primary producers
C) heterotrophs
D) secondary consumers
B
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Which of the following is valid for how rocks weather?
A) Quartz is very soluble during weathering at low temperatures. B) Limestone weathers rapidly in wet climates but can form cliffs in dry ones. C) As a granite weathers, quartz rapidly decomposes into clay minerals. D) Most minerals in granite weather at nearly the same rate and so granite has smooth surfaces.
The Coriolis effect contributes to ________
A) a reduction in eutrophication B) global wind patterns C) an increase in eutrophication D) increased acidic deposition E) global warming
What would you expect to see when digging vertically downward in a mature soil?
A. progressively coarser soil horizons B. progressively thicker soil horizons C. horizons of different colors, textures, and composition D. alternating horizons of soil and rock E. uniformly rich, fertile soil
As Marie pushes a table to the right, friction between the floor and the table acts toward
A. the right. B. the left. C. right angles to her push. D. none of the above