Question

Uranium-238 (U-238) decays into lead-206 (Pb-206). Which of the following is a true statement?

A.Pb-206 is the parent, and U-238 is the daughter.
B.U-238 is the parent, and Pb-206 is the daughter.
C.A rock sample containing a relatively large amount of U-238 is old.
D.A rock sample containing a relatively small amount of Pb-206 is old.

Answer 1

A: U-238 is the parent, and Pb-206 is the daughter

D: A rock sample containing a relatively small amount Pb-206 is old.

Step-by-step explanation:

Answer 2

B. U-238 is the parent ans lead is the daughter.