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Biology 18 Online
OpenStudy (anonymous):

Sedimentary rocks are usually ___________ A. layered B. crystallized C. formed from magma D. black

OpenStudy (anonymous):

I believe it is A.

OpenStudy (anonymous):

b. crystallized

thomaster (thomaster):

Yea they're usually layered, which is called a stratum. So A.

OpenStudy (anonymous):

B. its the right answer

OpenStudy (anonymous):

A. Overtime the bits and pieces are compacted together to create sedimentary rocks.

OpenStudy (anonymous):

A. over a period of time, sediments that are deposited on floor of water bodies (in layers) are transformed into rock due to pressure of overlying water

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