Ahmad wants to find out how the temperature of water affects the amount of oxygen in the water in an aquarium. Which of the following set-ups should he use for his investigation to... Ahmad wants to find out how the temperature of water affects the amount of oxygen in the water in an aquarium. Which of the following set-ups should he use for his investigation to ensure a fair test?
Understand the Problem
The question is asking which setup Ahmad should choose for his investigation on how water temperature affects the amount of oxygen in the water, ensuring a fair test.
Answer
Setups I and II
The final answer is Setups I and II.
Answer for screen readers
The final answer is Setups I and II.
More Information
A fair test requires controlling variables other than the one being tested. In this case, to test temperature effects, setups should be identical except for water temperature.
Tips
A common mistake is not identifying and controlling additional variables.
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