Fresh Water, If you can find a saltwater river I would be very suprised
Mostly fresh, however, large rivers that empty to the sea will be salty for the part of the river nearest the sea. Tides cause river water to mix with seawater.
Freshwater
yes
Lakes and rivers are generally freshwater, although there are a few saltwater lakes in existence. The most famous of these include the Great Salt Lake in Utah, and the Dead Sea between Israel and Jordan.
all rivers are fresh water, so therefore the Missouri river is fresh water. all though rivers are very polluted, then it is full of chemicals, but was at one time clear fresh water. it still is, underneath all of the discusting stuff.
parahnas live in fresh water scince the amazon is fresh water and is swarming with parahnas
Saltwater is a solution because you can get fresh water and some salt and mix it and then you get saltwater.
Saltwater
salt
No.
Rain water is fresh water and does not have salt. Saltwater is not fresh and does have salt.
Salt water
umm, there are only two kinds of aquatic biomes.These are freshwater biome and the saltwater biome.YOU'RE WELCOME!
Saltwater Marsh
No. There are no saltwater rivers, but some river deltasare saltwater systems where they meet the ocean (or other saltwater body).