Final answer:
Salinity is the measure of dissolved salt in water. It refers to the concentration of salts dissolved in a body of water.
Step-by-step explanation:
Salinity is the measure of dissolved salt in water. It refers to the concentration of salts, such as sodium chloride, magnesium chloride, and calcium sulfate, dissolved in a body of water. Salinity can vary in different bodies of water, with oceans being more saline compared to freshwater sources like lakes and rivers.
Learn more about Salinity in water bodies