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Biology 9 Online
OpenStudy (anonymous):

Hannah is comparing a rock from a riverbed and a rock from deep underground. One is very smooth, and the other has very rough edges. Explain why each rock was probably found in that location. @bohotness

OpenStudy (bohotness):

thank you for the testimonial its beaitful and The one that is very smooth is most likely found from the river bed. This is because the rock has had time spent in the water, constantly moving and tumbling against other rocks, that over a long period of time gave the rock a smooth appearance. The rock from deep underground would have rough edges because it has been lodged in one spot and hasn't been tumbling around to get rid of it's rough edges. I hope that makes sense lol

OpenStudy (anonymous):

your welcome. thanks for the help and yes it does make sense lol

OpenStudy (bohotness):

lol yw

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