These Statements Ask About Elements and Isotopes That Have Been

Short Answer

These statements ask about elements and isotopes that have been important in learning about Earth's history and the age of organisms. For each one, select the best choice from the five isotopes or elements below.
-these form as a plate moves across an undersea hot spot
A)magma
B)faults
C)tectonic plate
D)volcanic island chains (archipelagos)
E)trench