Multiple choice

What basic principle is used when dating fossils found in sedimentary rock?

  1. "The deeper it is, the younger it is."

  2. "If found at the top, young it is not."

  3. "The deeper it is, the older it is."

  4. "The layer at top is the oldest spot."
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C Correct answer
Explanation

The principle of superposition states that in undisturbed sedimentary rock, the layers at the bottom are the oldest, and those at the top are the youngest.

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