Nitrogen fixation is a process that makes nitrogen available to plants and is carried out by ________
A) volcanic eruptions
B) nitrogen gas dissolving in fresh water and in the ocean
C) bacteria
D) plants during photosynthesis
C
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The percentage of a population under age 15 is a poor indicator of the momentum (or lack thereof) for continued population growth
Indicate whether the statement is true or false
St. Petersburg oriented Russia toward the ________ due to its location on the Baltic Sea
A) west B) east C) south D) southeast
In eukaryotic cells where is DNA found?
A) in the cytoplasm B) in the endoplasmic reticulum C) in the lipid bilayer D) in the nucleus
Since WWII, the population of the Inland South has ________
A) Grown more rapidly than the rest of the U.S B) Stagnated C) Grown more slowly than the rest of the U.S D) Grown at about the same rate as the rest of the U.S