The answer is A. Man-made
Answer:
Volcanic gases. (Ans A)
Explanation:
Ocean water is salty because of the presence of dissolved salt. When water contact with a rock it starts weathering processes and this process starts to dissolve the soluble elements such as sodium out of the rock.
In volcanic gases, lots of chlorine ions are present in the atmosphere, these ions easily dissolve with water and produce the large flux of chloride that splashes into the oceans. So, the most common source of chloride ions in ocean waters comes from the volcanic explosions.
If an atom is unstable it can become stable by the gain or loss of electrons.
Food product designed to imitate a given food and frequently possessing characteristics equal or superior to that food
D. Estuaries
Estuaries are a place where fresh and salt water mix.
