In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").

Fact1: Freshwater biomes have water that contains little or no salt., Fact2: Another name for salt is sodium., Question: Freshwater biomes contain water that contains little to no what? (A) cations (B) Acids (C) Nutrients (D) sodium (E) Pollution (F) animals (G) plants (H) water

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
D