What is the primary difference between swamps and marshes?
A. saltiness
B. temperature
C. water depth
D. vegetation
E. elevation
D
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What is a fjord?
A) a flooded valley originally carved out by glaciers B) an intermontaine plateau formed by the erosion of two neighboring mountains into a shared valley C) a fan-shaped deposit of sediments dropped by a river or stream flowing out of a mountain range D) hilly topographic features that mark the path of glaciers; they are composed of eroded material carried by glaciers and ice sheets E) a fine, wind-deposited sediment that makes fertile soil, but is vulnerable to water erosion
What factors might have caused atmospheric CO2 variations that kept pace with glacial climate fluctuations?
What will be an ideal response?
Sediments deposited by glacial ice are ________; material deposited by glacial meltwater are ________
A) sorted; sorted B) unsorted; unsorted C) unsorted; sorted D) sorted; unsorted
What compound is the primary structural constituent of plant tissue, forming the cell walls of stems, leaves, and roots?
A) chlorophyll B) starch C) protein D) enzymes E) cellulose