Saltwater can be treated and used for drinking water.-> True
Salt and water may be separated by physical or chemical media and the water purified.
One atmosphere is equal to 100 pounds per square inch (psi).-> False
1 atm ≈ 14.7psi
The temperature of ocean surface water depends on salinity -> False
There are other factors: geographical ubication and day time, for example.
Earth has one high tide and one low tide every tidal cycle-> False
The number of high and low tides in a cycle vary.
