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Biology 20 Online
OpenStudy (anonymous):

matching! Please help

OpenStudy (anonymous):

nonconformity a. stratified rock resting on unstratified rock b. a fossilized mark formed by the movement of an animal c. a fossil used to determine the age of rock layers d. a break in the geologic record

OpenStudy (anonymous):

what do you think? I'm sorry for this but I was reminded not to give direct answer. You have to give yours first and I will direct you to the answer itself.

OpenStudy (anonymous):

I think it is a. but i wasn't to sure @bpaulorg

OpenStudy (anonymous):

You're right!

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