Destructive plate boundaries

Question 1

1.

Answer 1

Two plates move towards each other due to convection currents

Question 2

2.

Answer 2

Subduction occurs since more dense oceanic plate moves below the continental plate

Question 3

3.

Answer 3

Oceanic plate move into upper asthenosphere where flux melting occurs

Question 4

4.

Answer 4

At point of subduction, deep ocean trench formed since crust dragged down with subducting plate.

Question 5

5.

Answer 5

Benioff zone is where flux melting occurs where magma (less dense) forms, which rises to form volcanoes.

Question 6

6.

Answer 6

Sediment on crust may also be folded, faulted and thrust upwards to form fold mountains