Directions: Read the following information and answer the given question.
Ria asked her mother to prepare idlis for her. She saw her mother adding 3-4 globules of yeast to the idli paste which she has prepared. She observed that the dough of the idli rose after some time. She had also read in a text book that yeasts are used in the brewing industry in the manufacture of alcohol.
What characteristic trait is exhibited by Ria in the above scenario?
Reveal answer
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