Jenna took an open bowl of leftover mashed potatoes from the refrigerator. she determined that chemical changes occurred since the potatoes were first placed there. which observations most likely led to jenna’s conclusion? a production of odor a decrease in temperature a change in moisture content a decrease in mass

a production of odor

Explanation:

an odor is caused by one or more volatilized chemical compound that  humans and other animals can perceive by the sense of smell.

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A production of ordor. It suggests that a new substance formed that was not originally there. Which is a result of a chemical change.

with the invention of the automobile, the woman of the house could drive to the store and get groceries. women were also free to socialize more. during world war ii women were allowed to work in factories to the war effort and could drive to work or ride mass transit buses to their jobs.

e

explanation:

there is no change in the electric potential energy as it is in rest on both conditions.