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Where does most rainfall on Earth finally end up before becoming rain again?
Empiricism
A theory in philosophy that states knowledge comes only or primarily from sensory experience.
Speculation
The process of forming theories or conjectures without firm evidence, often in the context of financial investments.
Empirical
Concentrates on, is related to, or can be substantiated through empirical observation or personal experience rather than through theoretical speculation or pure logical analysis.
Systematic Observation
The methodical and structured observation and recording of behavior or phenomena in natural or controlled conditions.
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