TCAP Success Grade 8 Science Chapter 4

TCAP Success Grade 8 Science Chapter 4 Sample

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2.

A fossil recognized as unique to a certain time period is known as

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4.

Which fossil layer is the oldest?

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5.

Which fossil layer is the youngest?

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6.

A break in strata is known as a(n)

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7.

The time it takes for one half of the original, unstable atoms to decay into daughter products is called the