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Earth Sciences 14 Online
OpenStudy (anonymous):

I need help really bad! Which statement about the rock layers in this illustration must be true? A. Layers B, C, or D contain no fossils. B. There are no fossils in layer G. C. Erosion occurred before layer G was deposited. D. Layers G, H, and I are the oldest of these rock layers. https://static.k12.com/calms_media/media/922500_923000/922534/3/e0e0eb4cab08a9f0a52fdf0cdf9bbeac8c9430c8/MS2_ERT_03_09_rock_layers.jpg

OpenStudy (anonymous):

@neonumbrella5115

OpenStudy (anonymous):

@Natasha18

OpenStudy (anonymous):

natasha? are you there?

OpenStudy (natasha18):

Yes.. I'm thinking lol

OpenStudy (anonymous):

oh.

OpenStudy (natasha18):

I think it's either B or C, but I'm not sure which one... I'm not the best at these questions..

OpenStudy (natasha18):

I know D can't be the correct answer

OpenStudy (anonymous):

i think so too and i am not good with these questions either!

OpenStudy (natasha18):

If you knew what to look for,you could probably tell if the layer below G has been eroded or not... but I'm not sure what to look for..

OpenStudy (anonymous):

i think looking for the fact what is true?

OpenStudy (natasha18):

See how the line that separates G from the layers below it is wavy? None of the others look like that.. that's why I'm thinking that letter C is true..

OpenStudy (natasha18):

But I don't want to tell you the wrong answer lol

OpenStudy (anonymous):

yeah i wonder how the lines did get wavy!

OpenStudy (anonymous):

don't worry, might be C

OpenStudy (anonymous):

i will go with C for now.

OpenStudy (natasha18):

That's my guess. It makes sense. Erosion changes the shape of things, and every other layer seems packed tightly in a straight line.

OpenStudy (anonymous):

true.

OpenStudy (natasha18):

Good luck! I hope you get it right :)

OpenStudy (anonymous):

i hope so too! this is my last chance!

OpenStudy (natasha18):

Well then EXTRA good luck ;)

OpenStudy (anonymous):

The answer is correct! C is correct!

OpenStudy (natasha18):

Great Job! Thanks for the medal. :)

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