Unit C is present in the left column but not the right column because:
A)rocks in the right column were tilted and eroded
B)it was not deposited or was eroded away
C)it has different kinds of fossils than rocks in the right column
D)all of these

Question

Unit C is present in the left column but not the right column because: 
A)rocks in the right column were tilted and eroded 
B)it was not deposited or was eroded away 
C)it has different kinds of fossils than rocks in the right column 
D)all of these

Quizplus · Accepted Answer

The presence of Unit C in the left column and not in the right column indicates that it was either not deposited or was eroded away. The other options (A and C) do not necessarily explain why Unit C is absent from the right column.

Unit C Is Present in the Left Column but Not