Aswimming-pool worker wants the pool's ph to be 7.2. she comes by to test the water and finds that the ph is 6.2. what should she do to correct this situation? a. do nothing. b. add water. c. add acid. d. add base

What material does not melt at any temperature

Why are pipes bursting in the in extremely cold weather?

Suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 129 ? x and the freezing point of water is 13 ? x. part a at what temperature are the readings on the fahrenheit and x thermometers the same?