Explain the difference between speed and velocity

-- Speed is simply the rate at which distance changes.
"30 mph north" and "30 mph east" are the same speed.

-- Velocity is speed and its direction.
"30 mph north" and "30 mph east" are different velocities.

Speed is how fast something is going in general velocity is the speed of something going in s give direction.

Sorry can’t u just tryna get points

Your answer is c. explanation: plasma  is the fourth state of matter, derived from the gaseous state of matter.  plasma  can contain free  electrons  and/or  ions. while  plasma is never neutral, it can either be positively or negatively charged.  gases, however, are electrically neutral.