What theory explains the formation of the Earth's crust and its movement?
Correct answer: Plate tectonics

little b
I love the earth❤🙂

RushMama2112
little b, Me too. I wish certain people loved her more than money. :/

Artie
A truly remarkable theory as it elegantly explains everything.

Romans 5 8
Pretty sure the theory was developed by Dr. Walt Brown; interesting guy. Find him on YouTube

wesley
also earthquakes when two tectonic plates grind up against each other.

Saint Wolf
Continental drift should work as a plausible answer as well.

cs
It was formulated much earlier & rejected