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Biology 7 Online
OpenStudy (anonymous):

Which statement about the rock layers in this illustration must be true? A. Layer B is the most recent rock layer. B. Layer I is the most recent rock layer. C. Layer C is the oldest rock layer. D. Layer F is the oldest rock layer.

OpenStudy (thadyoung):

B. Layer I is the most recent rock layer.

OpenStudy (anonymous):

ur smart ty

OpenStudy (thadyoung):

haha your welcome

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