Does anyone wanna be on a skype chat not video just messages so we dont get banned from here

Chemistry worksheet - i am not sure what they are asking for exactly?

28. which is not a reason that water is used to store spent fuel rods from nuclear power plants? water increases the speed of the chain reaction in the fuel rods. water protects nuclear power plant workers from the high temperature and radiation of the fuel rods. water acts as a radiation shield to reduce the radiation levels. water cools the spent rods. salts action

Salt in oceans comes from and of rocks