At least 80 percent of ocean water is included in the a. transition zone. b. thermocline.

At least 80 percent of ocean water is included in the deep zone. The correct option among all the options that are given in the question is option "D". It is a fact that 71 percent of earth is covered by the oceans. Approximately 90 percent of the ocean water is considered deep ocean water and it is mostly a mystery till today.

1)The atom has fewer neutrons than electrons. (2) The atom has more protons than electrons. (3) The atom has the same number of neutrons and electrons.