Write the word that corresponds to each of the following definitions: 11._
It is an aperture in the crust of a planet from where gases, lava are
discharged.
12._
These are moving planes that carry the embedded continent.

13._
Science that studies the structure, composition, and history of the earth.
14._
Entire body of salt water that covers more than 70 percent of the earth's
surface.
15._
A sudden movement of the earth's crust caused by the release or stress
accumulated along the geological fault.