Solve these clues to fill the grid.
- Mountain that erupts with lava
- 2 Across
- The atmospheric layer between the stratosphere and the thermosphere
- 6 Across
- The solid part of the earth consisting of the crust and outer mantle
- 8 Across
- Rock that in its molten form issues from volcanos
- 9 Across
- One of the large landmasses of the earth (plural)
- 11 Across
- The breakdown or alteration of rock at or near the surface of the Earth.
- 13 Across
- The prevailing psychological state
- 15 Across
- A crack in the earth's crust resulting from the displacement of one side with respect to the other
- 16 Across
- Condition in which the earth's surface is worn away by the action of water and wind
- 1 Down
- Layer of air around the Earth
- 3 Down
- The regions of the surface and atmosphere of the Earth where living organisms exist
- 4 Down
- The natural process of laying down a ___ of something
- 5 Down
- A relatively flat highland
- 7 Down
- All the plant life in a particular region or period
- 10 Down
- Extensive tract of level open land
- 12 Down
- The event of something being raised upward
- 14 Down