|
|
2
|
slowly moving large mass of ice
|
4
|
process of breaking rocks over time
|
6
|
movement of surface material by wind, water and ice
|
7
|
sediment at the mouth of a river
|
9
|
contains most of Earth's mass
|
11
|
small particles of weathered rock
|
|
|
|
|
1
|
theory that the Earth is divided into plates
|
3
|
liquid rock in the interior of the Earth
|
5
|
rock bends from colliding plates
|
8
|
broken rock masses moving apart
|
10
|
center of the Earth
|
12
|
removing salt from ocean water
|
|
|