An electromagetic wave can only move through . a Air b Water c Empty space d Land

a plasma is a warm ionized gasoline consisting of approximately equal numbers of definitely charged ions and negatively charged electrons. the characteristics of plasmas are notably unique from the ones of ordinary neutral gases in order that plasmas are considered a awesome "fourth kingdom of remember."

answer:

technetium is the most reactive. this is followed by silver. the least reactive out of these three elements is strontium.