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PLZZZ HELP

What forms a dune and a sandbar?
Select one:

a. A sandbar is formed by wind. A sand dune is formed by water.

b. A sandbar is formed by water. A sand dune is formed by wind.

c. Both are formed by wind.

d. Both are formed by water.

1 Answer

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B. A sandbar is formed by water. A sand dune is formed by wind.

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