Question

NEED HELP ASAP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

(6) Their method rely on detecting atoms of certain elements known as rare earths.
Rewrite sentence 6 so the verb form is correct.
A.
Their method reliable on detecting atoms of certain elements known as rare earths.
B.
Their method relies on detecting atoms of certain elements known as rare earths.
C.
Their method relying on detecting atoms of certain elements known as rare earths.
D.
Their method rely on detected atoms of certain elements knows as rare earths.

Answer 1

I believe it is B