Lake Maracaibo is saltwater, being an estuary rather than a true lake.
Saltwater is the answer
Freshwater
Freshwater.
Freshwater
I believe it's lake maracaibo in venezuela
freshwater
Most lakes contain freshwater. From this fact, I'm assuming it is made out of freshwater, rather than saltwater.
Lake Maracaibo is not freshwater. However, being brackish, it seems possible that bull sharks may enter the bay.
No, all LAKES are freshwater. OCEANS are saltwater. Lake Michigan is a freshwater lake, but the answer above is false. See, for example, http://en.wikipedia.org/wiki/Great_Salt_Lake or http://en.wikipedia.org/wiki/Lake
Fresh water
Lake Okeechobee is due to freashwater
Saltwater but with a hint of freshwater
Freash water