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Biology, 05.10.2020 16:01 park7497

Types of water to dissolve an effervescent tablet: Tap water
Warm water
Cold water
Salt water
Acidic water (using vinegar)
A control group in an experiment is the group that is not receiving a new or manipulated variable. The control group receives what is normal.

Which type of water is our control group (not controlled variables)?

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Types of water to dissolve an effervescent tablet: Tap water
Warm water
Cold water
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