There are multiple lines of evidence that provide support for common ancestry and evolution. Write 3-4 paragraphs describing at least three of them in detail. Provide at least one example for each line of evidence.
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Determining a substance's physical or chemical identity. What are the two main requirements for identification? The adoption of testing procedures that give characteristic results for specific standard materials and the number and type of tests needed to identify a substance to exclude all other substances.

it is either c or d and i know for sure it is not a or b