4. Criteria and constraints help in deciding which methods to use when extracting useful chemicals from pomace. Which option is an example of an important constraint on a process?
-The desire to have the purest possible product favors the use of water over ethanol.

-Organic solvents are expensive, which limits their use for extracting chemicals.

-Water is expensive, which limits its use for extracting chemicals

- The desire to have the purest possible product favors
the use of ethanol over water

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