Cricketers chirp faster when the night is warmer is a testable hypothesis.
What is testable hypothesis?
A hypothesis is a theory that attempts to explain or forecast the relationship between two or more variables.
A testable hypothesis is one that can be proven or refuted through experiments, data collection, or personal experience.
A tested hypothesis requires a relationship statement between two or more variables. All of the following terms should be included: "more than," "less than," "greater than," "different from," and "related to." It also needs to be justifiable and consistent with previous research findings.
Thus, we can conclude that option C is correct.
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