What most likely happens when lithospheric plates move apart deep below the ocean?

faults form and earthquakes occur along plate boundaries.
subduction happens and one plate moves below the other.
magma seeps up along plate boundaries and forms mountains.
the magnetics orientation of the rocks changes due to their twisting and turning.
question 25(multiple choice worth 3 points)
(02.05 mc)

two factors that drive natural selection are listed below.

1. scarcity of space
2. availability of mates

which statement is true about the two factors?

factor 1 creates genetic variation and factor 2 creates competition.
factor 1 creates competition and factor 2 creates genetic variation.
both factors create genetic variation.
both factors create competition.