Question

1. plates need to move in _______ direction to create enough pressure to start a tsunami. vertical horizontal 9. transform plate boundaries do not raise or lower the seafloor very much. true false

Explanation:

For question 8, vertical plate movement can displace a large volume of water and generate the pressure needed for a tsunami. For question 9, transform - plate boundaries involve horizontal sliding of plates and do not cause significant vertical changes in the seafloor.

Answer:

1. vertical
2. True