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Biology 13 Online
OpenStudy (anonymous):

I Need Help Will Medal And Or Fan

OpenStudy (kyanthedoodle):

...What is it?

OpenStudy (anonymous):

http://static.k12.com/calms_media/media/922500_923000/922534/2/a0aa093b9072d57a0d95ed0ae89802dd35f0638e/MS2_ERT_03_09_rock_layers.jpg If layer G formed just after the dinosaurs became extinct, then when was layer F formed? A. Cenozoic era B. Mesozoic era C. Precambrian era D. Paleozoic era

OpenStudy (kyanthedoodle):

Hang on.

OpenStudy (anonymous):

k

OpenStudy (kyanthedoodle):

I have no idea.

OpenStudy (anonymous):

okay ill still fan you and give u a medal

OpenStudy (kyanthedoodle):

Wow. Thanks.

OpenStudy (anonymous):

:) no prob

OpenStudy (kyanthedoodle):

I'll still try to find out the answer though.

OpenStudy (kyanthedoodle):

So I guess B is the most recent layer, and I is the oldest layer.

OpenStudy (anonymous):

okay :) thanks

OpenStudy (kyanthedoodle):

So whatever comes after the extinction of the dinosaurs is correct? I'm never too sure, but I think that may be it.

OpenStudy (anonymous):

well vise versa b is the oldest

OpenStudy (kyanthedoodle):

Ah. Sorry for that mistake.

OpenStudy (kyanthedoodle):

I'm not very good with dinosaurs.

OpenStudy (anonymous):

it's okay :D

OpenStudy (kyanthedoodle):

Or anything like that.

OpenStudy (kyanthedoodle):

So then it could be B?

OpenStudy (kyanthedoodle):

Well here are the orders of the eras from oldest to...not oldest: Precambrian, Paleozoic, Mesozoic, and then Cenozoic.

OpenStudy (anonymous):

thank you that helps a bunch! :]

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