Number of valence electrons in sodium

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

In what environment would mineral formation caused by high pressures and high temperatures most likely occur?