Plate tectonics Flashcards
1
Q
What is the theory of plate tectonics.
A
Plate tectonics is the theory that the Earth’s outer shell crust is divided into several plates that glide over the mantle.
2
Q
What is the evidence to support the theory.
A
Is the use of satellite networks.
3
Q
What is seafloor spreading?
A
On the floor of the Mid-Atlantic Ridge where the plates spread allowing new magma to form in the centre.