plate boundaries (tectonic theory)

Question 1

what are the different layers of the earth?

Question 2

what is the lithosphere?

Question 3

what is the asthenosphere?

Question 4

what was the old theory for the movement of plates? (convection currents)

Question 5

what is the new theory for the movement of plates? (slab pull)

Question 6

how does seafloor spreading occur due to palaeomagnetism and what can it create?

Question 7

what does palaeomagnetism show?

Question 8

what is subduction?

Question 9

what are the four types of plate margin?

Question 10

what happens at the oceanic-continental margin? (destructive/convergent)

Question 11

what happens at the oceanic-oceanic margin? (destructive/convergent)

Question 12

what happens at the continental-continental margin? (collison)

Question 13

what happens at the oceanic-oceanic margin? (constructive/divergent)

Question 14

what happens at the continental-continental margin? (constructive/divergent)

Question 15

what happens at the oceanic-oceanic margin? (conservative)

Question 16

what happens at the continental-continental margin? (conservative)