what is the purpose of using multiple control groups in an experiment? i put this mf at 100 points so answer plss

Here to help! Explanation below.

Explanation:

1. To help you determine that your experimental results are valid. 2. To help control for factors that aren't being tested but might affect results.

a. decomposes use carbon from dead organisms as fuel for cellular respiration, returning carbon dioxide back into the atmosphere.

answer: glucoamylase presented optimum activity at temperature of 55â°c, and, in the glycosidic bonds from the non-reducing ends of starch, resulting in the production of glucose. source and type of fermentation can affect the enzyme's properties

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