The term salinity refers to the amount of dissolved salts that are present in water. Sodium and chloride are the predominant ions in seawater, and the concentrations of magnesium, calcium, and sulfate ions are also substantial.
People here in America are used to more personal space because it is not over populated. But in other countries with crowed houses and overpopulation you would not even be able to walk in your own space.
Cutting the consumption of nonrenewable resources is a good idea because. A. Conserving them makes them last longer.
Hope this helps! feel free to clarify