Why do atmospheric carbon dioxide concentrations fluctuate seasonally?
A. changes in plant growth
B. changes in human activity
C. changes in temperature
D. changes in precipitation
Answer: A
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If you filter sea water to remove all of the particles, you would be left with a clear
A. pure liquid. B. heterogeneous mixture called a solution. C. homogeneous mixture called a suspension. D. homogeneous mixture called a solution. E. heterogeneous mixture called a suspension.
Prosimians include _____, _____, _____, and _____. Fill in the blank(s) with the appropriate word(s)
Most natural hazards such as earthquakes, tornadoes, and hurricanes can be prevented.
Answer the following statement true (T) or false (F)
The intrusive (coarse grained) igneous rock diorite has the same chemical composition and mineralogy as the extrusive (fine grained) igneous rock:
a) rhyolite b) basalt c) andesite d) peridotite e) granite