Answer:
The continents split apart through plate tectonics. Weather also was another factor that contributed to the change as well.
I thinks it’s B
Srry if it’s wrong but I pretty sure that that’s it.
I believe it is the outer crust but i will do more reaserch for you :)
Answer:

The unit of electric current that is equal to the flow of one Coulomb per second.
Ampere or ‘amp’ is a unit of electric current denoted by A. It is named after the French Physicist and Mathematician Andre-Marie Ampere, who is considered as the ‘Father of Electrodynamics’.