Wetlands can refer to both freshwater and saltwater areas. Wetlands are simply an area of land where the soil is saturated with water, either fresh or salt. For example, freshwater marshes exist inland, whereas salt marshes generally occur along the coast.
they are both saltwater and freshwater
They contain saltwater and freshwater
The Persian Gulf is saltwater, not freshwater.
Saltwater is denser than freshwater, so saltwater is heavier than freshwater. This is because saltwater contains dissolved minerals and salts that increase its density compared to freshwater.
Freshwater
freshwater
Freshwater.
Most lakes contain freshwater. From this fact, I'm assuming it is made out of freshwater, rather than saltwater.
In saltwater. In saltwater.
Freshwater and saltwater meet at the mouths of rivers that flow into the sea.
An estuary is the place where freshwater and saltwater meet.
In a freshwater environment it is clean and in a saltwater it has salt.