Question

Jenna took an open bowl of leftover mashed potatoes from the refrigerator and noticed a difference in smell. She determined that chemical changes occurred since the potatoes were first placed there.

Which observations most likely led to Jenna’s conclusion?

a change of odor
a decrease in temperature
a change in moisture content
a decrease in mass

Answer 1

Answer:

She determined that chemical changes occurred since the potatoes were first placed there. Which observations most likely led to Jenna's conclusion? ... Changes can occur to physical properties of a substance, but the chemical composition of the substance remains the same.