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.
-portions of Earth's outermost layer of rock, which move continents to new locations over geologic time
A)magma
B)faults
C)tectonic plate
D)volcanic island chains (archipelagos)
E)trench