My guess would be "B" cell wall
hydrocarbon deposit
star
nonrenewable energy
star
nonrenewable fuel source
Pain is more defined as a symptom
Control group
Explanation:
Experiments are usually designed so that the differences between the experiment and control groups can be observed.
- The experimental group is the group that follows the details of the hypothesis where variables are changed to see their causes and effects.
- The control group is the standard by which the experimental group is compared with.
- The variables are being tested for in the experimental group to see how they are changing .
learn more:
Controlled experiment brainly.com/question/1621519
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