One of the main roles of plants in biogeochemical cycles is to
A. harden the soils.
B. decrease the amount of time that water remains in contact with rocks and soils.
C. reduce the rate of weathering.
D. extract carbon dioxide from the atmosphere.
Answer: D
You might also like to view...
On each figure use a blue pencil to draw in streams, using arrows to show the direction of stream flow. Note that there is a main stream in the valley and there are at least two tributary streams or creeks. How do the contour lines indicate the direction of flow?
What will be an ideal response?
A covalent bond is associated with which of the following?
A) interactions between nuclei B) the sharing of electrons C) the transfer of electrons D) all of these
The causes of the Financial Crisis of 2007-2009 include all of the following EXCEPT
A) deregulation of the financial industry. B) high levels of U.S. and household debt that had been accumulating for decades. C) the Federal Reserve kept interest rates extremely low. D) predatory lending for "sub prime" loans. E) housing prices rose much faster than household incomes in the 1990s and 2000s.
This instrument works on essentially the same principles as echo sounder but can penetrate the bottom of the sea floor and provides more information.
A. seismic reflection profiler B. sonar profiler C. multibeam sonar D. single beam sonar E. seismic refraction profiler