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44. Thin layers of volcanic ash act as excellent time markers in the
correlation of bedrock because volcanic ash
O A) is easily eroded and lasts only a short time on Earth's surface
О B) falls to Earth over a large area in a short period of time
O
C) stays in the atmosphere for millions of years
O
D) is deposited over millions of years



Answer :

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Final answer:

Volcanic ash is a crucial time marker in rock dating, deposited quickly over large areas. Potassium-argon and argon-argon dating methods provide precise absolute dates for rock sequences.


Explanation:

Volcanic ash acts as an excellent time marker in correlating bedrock due to its widespread deposition in a short time period. This allows for precise dating of rock layers using methods like potassium-argon and argon-argon dating, providing absolute dates for rock sequences.


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