8
Uranium-238 (U-238) decays into lead-206 (Pb-206). The following are true statements:
U-238 is the parent, and Pb-206 is the daughter.
A rock sample containing a relatively small amount of Pb-206 is young.
Added 9/27/2016 11:39:50 AM
This answer has been confirmed as correct and helpful.
8
For a living organism, the following are true:
The ratio of C-14 to C-12 remains constant.
The amount of C-14 is less than the amount of C-12.
Added 9/27/2016 11:44:47 AM
This answer has been confirmed as correct and helpful.