Biology, 26.08.2019 19:40, princessmoon

What is the purpose of controlling the environment when testing a hypothesis?
1.it allows the scientist to determine the effect of the changed variable.
2.it allows samples and organisms to be tested under comfortable conditions.
3.it makes it easier for the scientist to perform the steps of the experiment.
4.it ensures that the scientist is undisturbed while performing the experiment.

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What is the purpose of controlling the environment when testing a hypothesis?
1.it allows the...