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What major contribution did Henry Ford and Ransom Olds make to the Second Industrial Revolution? A. They invented a new form of transportation. B. They introduced a faster and cheaper method of production. C. They developed an efficient new source of ener...

which answer explains why anger one of the primary emotions can have positive consequences? A. As a parent if your angry most of the time, your children will behave B. Yelling at your friend for being late at your house will make them be on time for now o...

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My answer is A or B?