Which is a characteristic of all waves?
all waves carry energy.
all waves move through space.
• all waves move fough matter, from particle to particle.
all waves transfer energy parallel to the direction of wave motion.

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium