Jenny was interested in studying how much gas a car uses at different speeds. Jenny did one test with her mother's car and found that it used about 3 percent more gas when speed increased by 5 miles per hour. How can Jenny make the results of her investigation more reliable? (this is science by the way, please help) A. Redo the steps of the experiment in a different order B. Communicate her results immediately after the one test C. Repeat the investigation several times D. Avoid recording any data during the experiment

repeat the investigation several times

Explanation:

Performing multiple trials, or repeating an investigation several times, often increases the reliability of your results. This is because repeating the experiment helps you spot errors and determine whether or not you have extra variables in the experimental design.

Multiple trials also help you make sure that your measurements are accurate (correct). If you take only one measurement, it can be difficult to know if that measurement is accurate. But if you take more than one measurement and they all agree, it is likely that you made the measurement correctly.

the answer to your question is c.

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