The distance from the earth to the sun is known as:
a. a light year
b. an astronomical unit
c. one million miles

A. a light year

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 : )

answer; (d) melting of sea ice;