In the zone of _______________, pore spaces in the soil and rocks contain air
Fill in the blank(s) with correct word
aeration
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What are the two main types of sedimentary deposits formed near or beneath modern glaciers? How would you distinguish these two deposits types in an area that was glaciated in the past?
What will be an ideal response?
CAM plants
A) use energy sources at hydrothermal vents rather than sunlight to make food. B) sometimes conduct C4 photosynthesis and conduct C3 photosynthesis at other times. C) are those that are consumed by omnivores but not herbivores. D) are those that are consumed by herbivores but not omnivores.
Of the various reasons to study Earth, which is the most important to you? Why?
What will be an ideal response?
Solar represents a minuscule portion of U.S. energy production because of ________
A) air and water pollution from this source of energy B) poor potential for this energy source C) lack of scientific interest D) technological limitations E) lack of investment