To be able to compare the results to a sample without any of the independent variable added.
Answer:
Water is polar and oil is nonpolar so the substances won't mix.
Explanation:
Water is polar covalently bonded within the molecule. This unequal sharing of the electrons results in a slightly positive and a slightly negative side of the molecule. oils are nonpolar, so they will remain separate from molecules of a polar solvent such as water.
Search algorithms are used to generate solutions to optimization and search problems.
Search algorithms that mimic the process of natural evolution. Search algorithms can be used to generate solutions to optimization and search problems using techniques such as <em>mutation, selection, crossover, and chromosome</em>.
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Answer:
to test for liberation of O₂ in the light.
Explanation:
