What is the name for a triangular-shaped deposit of sand and soil at the mouth of some rivers?
a. delta
b. beach
c. sediment
d. depression

What is the difference between the formation and characteristics of intrusive igneous rock and extrusive igneous rock?

Plz hury on a timer which statements explain what happens at deep-ocean trenches? check all that apply. crust is formed. mountains are formed. seafloor spreading occurs. crust becomes molten rock. denser plates slide under lighter plates.

Which events occurred during the space race? check all that apply. (a) nasa was established. (b) yuri gagarin orbited earth. (c) the soviet union launched salyut. (d) the united states launched skylab. (e) the united states launched explorer 1.