Question

(A) How is sand that flows in a river formed?
Collect some information about where the
sand comes from.
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Answer 1

Answer:

Sand is formed over a long period of time by water, wind, gravity, and tectonics, among other forces. Water provides movement of sediment from the beginning of streams and inland areas down through the land. ... While heavier sediment settles along river banks and streams, lighter sediment gets carried to the ocean

Answer 2

Answer:

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Sand is formed over a long period of time by water, wind, gravity, and tectonics, among other forces. Water provides movement of sediment from the beginning of streams and inland areas down through the land. ... While heavier sediment settles along river banks and streams, lighter sediment gets carried to the ocean.