50 Points Brainliest!! What do scientists believe forms volcanoes, mountains, trenches, rift valleys, and island arcs?

Explanation:

To put it simply, the movement and the shifting of the tectonic plates on the Earth.

hi there!

question - how does mountainous terrain affect settlements in a region? choose all answers that are correct.

groups trade with each other regularly.

people travel from settlement to settlement.

why: since they travel to go trade or visit it may be harder to get there because of the mountainous terrain.

hope this : )

landlessness of ordinary people

^^something like that^^^