Which is a testable statement about the Earth?

A testable statement is one that can be supported or refuted through observation and experimentation. The statement regarding plants growing better in sunlight is grounded in scientific principles that can be investigated. Researchers can set up controlled experiments comparing plants grown in sunlight to those grown in the absence of it, measuring factors such as growth rate, health, and overall yield. This allows for clear data collection and supports or contradicts the hypothesis.

In contrast, the other statements do not lend themselves to straightforward testing in the same way. The claim about Vince Young depends heavily on subjective criteria for determining greatness, which varies from person to person and lacks empirical evaluation. The statement about Sagittarius does not provide a process for testing and reflects a belief that is not supported by scientific evidence. Lastly, the prediction about a solar eclipse, while specific, doesn’t pertain to an experiment and does not invite further scrutiny or variation in results after it occurs. Thus, the statement regarding plant growth and sunlight stands out as the most scientifically valid, testable claim.