- 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
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
