Final answer:
The sentence that states a fact is the one describing the water cycle, as it can be scientifically verified.
Step-by-step explanation:
When assessing whether a sentence states a fact or an opinion, it's essential to look for statements that can be proven or verified. In this case, the sentence "Rain makes up part of Earth’s water cycle. Water evaporates from streams, lakes, and oceans, then condensation and precipitation occur in the form of rain." is the one that states a fact. It's a fact because it describes the process of the water cycle, which includes evaporation, condensation, and precipitation, and can be scientifically verified.