The snowball Earth hypothesis provides a possible explanation for ...

[penguins]

The snowball Earth hypothesis provides a possible explanation for the
A) diversification of animals during the late Proterozoic era.
B) oxygenation of Earth's seas and atmosphere.
C) colonization of land by plants and fungi.
D) origin of oxygen-releasing photosynthesis.
E) existence of prokaryotes around hydrothermal vents on the ocean floor.

[Millan]

I know it's A, we did this last month

[penguins]

Thank you, thank you!!