The correct response is:
Both statements are testable.
Explanation:
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Statement 1: "If two balls of different masses are dropped from the same height, then they will reach the ground at the same time." This is a testable hypothesis based on the principles of physics, specifically Galileo's observation about falling objects in a vacuum, where mass does not affect the time it takes to fall.
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Statement 2: "The aroma of flowers is more pleasant than that of burning leaves." This is subjective, but it can still be tested through surveys or experiments that measure people's preferences or responses to the aromas. Therefore, it is also considered a testable hypothesis.
Thus, both statements can be tested through experimentation or observation.