Which are properties of both a gas and plasma

Disney, viacom and aol time warner are examples of

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?

Acaterpillar tries to climb straight up a wall a meter high, but for every 2 cm up it climbs, it slides down 1 cm. eventually, it reaches the top. when it reaches the top, it does not pull itself over so it will slide down 1 cm. what is the total displacement traveled?