Why can gases and liquids both transmit heat by convection? a. their particles are free to move away from each other b. they both have a fixed volume c. they both contain charged particles d. their particles both vibrate around fixed positions

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.