Which of the following is a testable hypothesis?

A. Altered temperature may affect gas production, which measures fermentation rate.

B. Does temperature affect fermentation?

C. Temperature decreases will affect gas production and fermentation much of the time.

D. If temperature is increased, then ga

I would say A

To determine which of the following is a testable hypothesis, let's break down each option and analyze whether it meets the criteria of being testable.

A. Altered temperature may affect gas production, which measures fermentation rate.
This option is a testable hypothesis because it makes a clear statement about how altering temperature may affect gas production, which can be measured to determine the impact on fermentation rate. It presents a cause-and-effect relationship that can be tested through experimentation.

B. Does temperature affect fermentation?
This option is a research question rather than a testable hypothesis. It does not make a specific statement or prediction that can be tested. However, it could be used as a starting point to formulate a testable hypothesis based on further research.

C. Temperature decreases will affect gas production and fermentation much of the time.
This option is also a testable hypothesis because it predicts that temperature decreases will have an effect on gas production and fermentation. The hypothesis can be tested by conducting experiments where temperature is systematically decreased and measuring the impact on gas production and fermentation.

D. If temperature is increased, then ga
This option is cut off and incomplete. Without the full statement, it is difficult to determine whether it is a testable hypothesis or not. In its current form, it is not a complete hypothesis.

In conclusion, both option A and option C are testable hypotheses as they make clear statements about the relationship between temperature and gas production/fermentation that can be tested through experimentation.