Acertain indicator has a color chart that shows that when the indicator is yellow, the solution is acidic. what is true about a solution that produces a yellow indicator? a. the solution has more hydronium ions than hydroxide ions. b. the solution contains neither hydroxide ions nor hydronium ions. c. the solution contains nothing but water. d. the solution has a ph greater than 7.

Afisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. it takes a time of 2.70 s for the boat to travel from its highest point to its lowest, a total distance of 0.700 m. the fisherman sees that the wave crests are spaced a horizontal distance of 6.50 m apart. a. how fast are the waves traveling? b. what is the amplitude a of each wave?