Give reason.
Velocity is a vector quantity.
a

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.

Gas will most likely  fill the container 

Scissors and a seesaw both cut things that’s the only comparison