Which of these is NOT an event that helped make the Moon as it is today?

AIron sank into Earth's core.
BPlate tectonics caused lava to flow.
CEarth and a planetesimal collided.
DThe lunar surface melted and was bombarded by meteoroids

Verified Answer :

The correct answer to
the question that is stated above is letter b, Plate tectonics caused lava to flow. All of the options are mentioned in the theories of the formation of the moon except for letter B.

There are 5 serious  theories about the formation of the moon,these are:
The Fission Theory--
The Capture Theory--
The Condensation Theory--
The Colliding Planetesimals Theory--
The Ejected Ring Theory--

See attached file for the description of each theory.