Question

How did Wegener contribute to the Theory of Plate Tectonics?

Wegener proposed that a meteor hit Earth that caused plate tectonics to shift.
Wegener proposed that there has only been one supercontinent that existed.
Wegener proposed that the current continents were once connected into larger land masses.
Wegener proposed that Earth is only made of one large plate tectonic.

Answer 1

Answer:

i think it's the 2nd one. The supercontinent was called Pangea.

Answer 2

Answer:

It is the 3rd one.

Explanation:

Wegener would tell his science friends that his scientific theory (continental drift). He said that the landmasses used to be joined together and have been separated overtime. That landmass is Pangea.

Mark brainliest if this is right! Happy to help! :)