__________________ is done by calculating the radioactive decay: the ratio between the existing parent and daughter isotopes that remain in a sample. This allows us to roughly calculate the amount of time the rock or fossil has existed

Question

Vocaloid · Answer

probably "radiometric dating"

Allison · Answer

It's not an option, I thought it was that too.

Vocaloid · Answer

what are the choices?

Allison · Answer

relative dating

speed dating

absolute dating

rock dating

Vocaloid · Answer

oh, then it's probably "absolute dating" since we are obtaining an actual time value instead of just putting items in order by age

Allison · Answer

Thank you~

Allison · Answer

Do you mind helping with a few more?

Vocaloid · Answer

I'm really rusty but I'll try my best

Allison · Answer

You don't have to, it's okay.