Which statement is true about an acidic solution? Its pH is equal to 7.
Its pH is greater than 7.
It has a greater concentration of hydronium ion than hydroxide ions.
It has a greater concentration of hydroxide ion than hydronium ions.

Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one?

If i add water to oil what will happen

15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.