Jaguars as in the big cat? I'm not sure why they would like saltwater...
they are both saltwater and freshwater
They contain saltwater and freshwater
No seas are saltwater like oceans
The Persian Gulf is saltwater, not freshwater.
Saltwater is heavier because saltwater contains salt which adds to its overall weight. Freshwater does not have any dissolved salt so it is lighter then saltwater
Freshwater mussels live in rivers, while saltwater mussels live in oceans. Even though it is mussels, it differs a lot. Freshwater mussel and saltwater mussels hunt different things, because they live in different places.
Most lakes contain freshwater. From this fact, I'm assuming it is made out of freshwater, rather than saltwater.
Freshwater.
freshwater
Freshwater
Saltwater but with a hint of freshwater
Freshwater and saltwater meet at the mouths of rivers that flow into the sea.