Isostacy


 * __Karla Perera__**
 * __Wilmary Flores__**
 * __Jaileen Romo__**

=**__Isostacy__**=
 * When the lithosphere and the asthenosphere are in gravitational equilibrium.
 * When the lithosphere and asthenosphere are in isostasy, the gravitational force equals the buoyant force.
 * When erosion erodes away the lithosphere it becomes lighter and lighter and can then be pushed up by the asthenosphere.