Question

What is the age for rock layer C?

Younger than 80 million years

Younger than 40 million years

older than 120 million years

Older than 180 million years but younger
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Support your answer for question 5. What information in the diagram suports your answer?

Answer 1

4.36 billion years

Step-by-step explanation:

Before this study, the oldest dated rocks were from a body of rock known as the Acasta Gneiss in the Northwest Territories, which are 4.03 billion years old.

Answer 2

The principle of superposition states that the oldest sedimentary rock units are at the bottom, and the youngest are at the top. Based on this, layer C is oldest, followed by B and A.

Step-by-step explanation: