Consider the following statements and choose the correct answer:
1. The density of water varies inversely with temperature
2. The density of water varies inversely with the concentration of dissolved substances
3. Water is more dense at approximately 4° C and becomes progressively less dense as it is cooled below +4° C
4. When great evaporation occurs in a lake having no outlet, the lake may come to contain a higher percentage of salts than the ocear

A. Only 1, 2 and 3 are true

B. Only 2, 3 and 4 are true

C. Only 1, 3 and 4 are true

D. Only 1, 2 and 4 are true

Answer: Option C