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What is the K-T boundary?

adreamer

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7 years ago

What is the K-T boundary?

What is the K-T boundary?
A) a layer of dark sediment in the geological record formed at the same time humans learned to use fire
B) a boundary between rocks containing the oldest life and older rocks that contained no life
C) a boundary between the Earth's crust and the molten rock beneath it
D) a layer of dark sediment in the geological record separating the Cretaceous and Tertiary periods of Earth's history

Textbook

Life in the Universe

Life in the Universe

Edition: 4^th

Authors: Bennett, Shostak

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Donskoy

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adreamer Author

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This site is awesome

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Good timing, thanks!

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