What is most common ion found in ocean water

sodium,sulfate,chloride,magnesium, and calcium.

Explanation:

chloride and sodium

Explanation:

They both are very common in the ocean. you never showed your answer choices but the right answer but is one of those

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."

there are no statements provided but here is why:

sulfur belongs to group 16 because it can be found in nature whether it is in a free or combined state.

hope this