What are some ways that groundwater is used in the united states currently?

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

How do you know when a chemical reaction has occurred