Once scientist realized that South America and Africa were once joined, what was Antonio Snider-Pellegrini hypothesis to explain the split? Group of answer choices The ocean area sunk down, making a low area for water to settle in. The continents are moving apart. The Earth is expanding, and new oceans fill into the expansion zone. Noahs flood created valleys that are now oceans.

a) The ocean area sunk down, making a low area for water to settle in.
b) The continents are moving apart.
c) The Earth is expanding, and new oceans fill into the expansion zone.
d) Noah's flood created valleys that are now oceans.