The second one, vocab and definition doesn't add up
Paper chromatography can be applied to "ink" to determine if it is a pure substance or a "mixture" of pure substances (in which two or more pure substances are combined). Since, tested with paper chromatography, "ink" separates into its constituent pure substances, Ink is a mixture.
I hope this helps.
P.S. Thank you for choosing me as brainliest answer on my last.
Explanation:
Adding logs of same base is equivalent to multiplying the arguments. You get:

Use the definition of the log to turn this into an exponential function:


