scientists can test differences of the area with pigmentation by observing which is lighter and which is darker however they use microscope to look the difference of the pigmentation over the cells.
B. it makes your results more convincing
Explanation:
It is important to conduct multiple trials in an experiment because it makes results more convincing.
Multiple trials removes and spreads error from one or more steps in experiment.
- The ability to reproduce result in an experiment is known as precision.
- Precision is very important in experiments.
- When a scientist carries out multiple trails in an experiment, it helps to remove any likely error that might have been carried into the experiment.
- Multiple trials are key to efficiency of experiments.
- From the results we can confidently state findings based on statistically backed data obtained.
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