Sort the questions based on whether they are testable

Testable: Effect of pollutant on salt water or freshwater, Effect of eating chocolate on acne

Non-testable: Is eating meat ethical, how do customer about the services of airlines

Explanation:

The situation or questions can be testable only when an experiment can be performed to find the result or answer of the question.

One variable is changing one thing to see the effect on the another thing.This is known as testable experiments.

The non testable are the questions that cannot be answered by performing experiments. These questions have skeptical answers.

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