Control group
Explanation:
The control group usually serves as a reference for comparison during a scientific investigation.
What is a control group?
- The control group is an experimental group not being tested for.
- it does not receive any modification or design from the scientist.
- It is designed as a reference for the main experiment
- Often times, it is isolated from the main experiment and the independent variables cannot influence the outcomes of the experiment.
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Controlled experiment brainly.com/question/1621519
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The stomach can sometimes expires problem when digesting hard foods such as cheese and may result in things such as heart burn. an antacid can counter the ragging stomach acids.
Answer:
I think it's not because of the water we use it's the water we have.
Explanation:
Because our planet is made up of 75% water it is naturally the first thing to recognize.
Answer:
An aquifer is a rock layer that stores groundwater and allows the flow of groundwater.
