Which of the following statements is true?
saltwater can be treated and used for drinking water.
one atmosphere is equal to 100 pounds per square inch (psi).
the temperature of ocean surface water depends on salinity.
earth has one high tide and one low tide every tidal cycle.

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.

The sentence which is an appropriate paraphrase is, 'Melons can be divided into groups: muskmelons and watermelons. Muskmelons are from Persia and have fibers in their interior while watermelons are from Africa and have striped green melons.'

Option C.

Explanation:

Paraphrase is rewriting the sentence in a different manner by using proper words which makes the sentence effective.

The most appropriate paraphrase from the given options is ‘Melons can be divided into groups: muskmelons and watermelons. Muskmelons are from Persia and have fibers in their interior while watermelons are from Africa and have striped green melons.’ Compared with rest of the options, this is the only sentence which is written in a very precise and effective way.

In two sentence it have summed up the description of Melons. In first sentence the two groups of Melons are mentioned, and in the second sentence a proper description of those two groups are provided thus making it an appropriate paraphrase.