No.
The speed of sound in water depends on the temperature and pressure. As you go deeper, the pressure increases and the speed of sound increases.
Explanation:
sedimentation and metamorphism
The contiguous United States are framed by three major bodies of water: the Atlantic Ocean on the east coast, the Pacific Ocean on the west and the Gulf of Mexico to the south. The Pacific also holds the Hawaiian Island chain. The Gulf stretches from Texas to Florida and also touches Alabama, Louisiana and Mississippi.
This is True because both saltwater and freshwater have natural carbon dioxide.
