Question

What can scientists learn from the rate at which radioactive elements decay
1. a rock's actual, or absolute, age
2. the relative age of rock layers
3. where one soil horizon ends and the next begins
4. the difference between molds and casts

Answer 1

one sec i help

Answer 2

I think C is the correct answer

Answer 3

yea c is the answer

Answer 4

ohh, I figured out the answer! Its 1. a rock's actual, or absolute, age