Liquefaction occurs when an earthquake’s violent movement suddenly

a. causes friction along fault lines.
b. produces a giant tidal wave.
c. allows structures to absorb energy.
d. turns loose soil into liquid mud.

Label the following as inner or outer planets; a) has 67 moons made mostly of hydrogen and helium b) has rings c)no moons, high volcanic activity d) known as the red planet, has 2 moons e) very thin atmosphere, moons or rings