Is the following a physical or chemical change? Electrolysis of water makes hydrogen and oxygen.
P. s. what is electrolysis?

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral

The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about what