The Pacific Rangers were formed by:

a)volcano activity
B)recent glacier deposits
c)the collision of tectonic plates
D)the Great Divide 1)c

In forming the Great Lakes, Graciers:
A)melted in upstream rivers and streams
B)formed the earths crust upward
C)carved basins out of bedrock 2)c

Thanks, Henry, this is much easier to read.

Both answers are correct.