How are natural levees formed?
A) Bedload rises up over river banks during high floods.
B) Suspended load is deposited when the river covers the floodplain.
C) Minerals precipitate at the sides of rivers when the water is at bankfull level.
D) Cementing action occurs at the sides of streams as a result of the high velocity of the water.
Question 2
Using Figure 16.20 in your textbook, which statement comparing stream patterns is true?
A) A braided pattern is less stable and more variable than a meandering pattern.
B) A braided pattern is more stable and has coarser sediment grains than a meandering pattern.
C) A braided pattern is less stable and has finer sediment grains than a meandering pattern.
D) A braided pattern is less stable and has a lower slope than a meandering pattern.
Seasonal changes in biomass and growth form of benthic algae in the Eel River, California: (a) in ea
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