Explanation:
When using chromatography, the 2 solutes in the solvent paper should have different Rf values from the base line to identify them as different compounds.
If they were to have the same speed in the solvent, they would appear as 1 dot instead of 2 separate dots, which is a false reading.
The answer to your problem is question 3 i just took that test i got it right
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Both organs are made up if several kinds of tissues. :D