Freshwater typically contains a very low concentration of salt, usually less than 0.5%. In most freshwater sources, such as rivers and lakes, the salt content is often around 0.01% to 0.1%. This minimal salinity is what distinguishes freshwater from saltwater, which has a salt concentration of approximately 3.5%.
The amount of freshwater today is 25% be4cause there is 75% salt water.
Salt and freshwater are not nutrients.
No Oceans are not Freshwater, they are salt water
Salt
Lakes will usually have freshwater.
Freshwater is water that contains no salt or sodium.
Ocean water has salt in it, Freshwater does not.
Freshwater fish derive small amounts of salt from their freshwater habitat. If you place a freshwater fish in saltwater, the difference in habitat will cause the fish to burst.
97% of the Earth's water is salt water. 3% is freshwater.
I have freshwater fish and i use aquarium salt. I put more in every time i do a water change
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Piranhas are freshwater fish, living in the Amazon basin.Actually they are both freshwater and salt.... Mostly freshwater though!