What causes the formation of distributary channels?
A) The stream clogs as the coarsest bedload is deposited.
B) The stream loses power as it widens.
C) The stream joins an ocean, sea, reservoir, or lake.
D) The stream meets an area where the underlying rock is much harder than the rock before it.
Question 2
A student in the field is taking observational notes about a stream and postulates, This stream must be shallower and slower downstream. Evaluate this statement.
A) The statement could be true if the stream was also narrower.
B) The statement is false because streams always deepen as they proceed downstream.
C) The statement is probably false because discharge always increases as streams proceed downstream.
D) The statement is probably true, especially if the stream has a sandy bottom.
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