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Mathematics 7 Online
OpenStudy (anonymous):

The diagram below shows a stack of rock layers. Examine the diagram, and answer the question that follows. What do these layers and their fossils suggest about Earth's history?

OpenStudy (anonymous):

a Lifeforms on Earth have been the same over time. b Only one kind of lifeform lived where these layers formed. c There have been changes in Earth's lifeforms over time.

OpenStudy (anonymous):

OpenStudy (anonymous):

@JazzyLuvsU123

OpenStudy (jazzyluvsu123):

sorry @katieeee I don't think we have covered this :/ :( I would help if I could

OpenStudy (anonymous):

oh okay and its fine. :P

OpenStudy (anonymous):

@RebeccaPink6398 you think you can help me

OpenStudy (rebeccapink6398):

the only one i can think of is C

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