9) When the Tectonic Continental Plates collide with each other what occurs? A. Mountains
B. Earthquakes
C. Sinkholes
D. Craters

Mountains

Explanation:

This would be a convergent plate boundary, so I think the best answer is mountains. When the plates collide, one goes underneath the other, pushing the one above it upwards. This creates mountains. I think earthquakes might also be an acceptable answer.

a. possible errors

d. new questions

explanation:

predictions and planning happen before. a summery comes after. errors you get after investigation and new questions propose what you can look for in the future.