The formula X + ZYXZ + Y shows that 1. X and Y bonded into a more complex molecule. 2. ZY has decomposed into two smaller compounds. 3. X is a more reactive compound than Y. 4. Y has changed into a new compound.

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."

i just calculated it all out, and not including weekends, and all the different days off. as of this school year (2018-2019) students are spending 2198 hours in school this year