Earth's lithospheric plates
A.
move only up and down.
B.
move only once.
C.
do not move.
D.
are constantly in motion.

The answer is - D. are constantly in motion

These plates move back and forth and sometimes even end up going one above other

answer: the primary difference between a hypothesis and a theory is that b hypothesis is falsifiable, but a theory has been proven to be correct. theory is an explanation of something that is happening but hypothesis is a guess of something that can happen

explanation:

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates