The magnetic reversals found along either side of the mid ocean ridge provided
evidence for which of the following:
a.) sea floor spreading
b.) subduction
c.) convergence
d.) density differences in the crust

i believe the correct answer from the choices listed above is the first option. the scientists need to look at the   validity of data, claims, hypotheses, and observations before  developing an argument. they base their arguments on facts that are present and they make sure they have proofs. 

explanation:

i think its c. amphipod

just go with your heart buddy

the cell cycle is the final answer! : )