In a chemical reaction, the bonds in the molecules A. stay the same
B. change
C. vary
D. travel

B. change

Explanation:

In a chemical reaction, the bonds in the molecules break apart and form new ones, thus b is the correct answer because they change.

32: from largest to smallest, this hierarchy includes eons, eras, periods, epochs, and ages.

33: answer is c

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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.