Answer:
THE BEST ANSWER IS ''THE POSITIVE REINFORCER''
Explanation: IT IS AN POSITIVE REINFORCER BECAUSE THE QUESTION SAYS HE QUICKLY WASHES THE FAMILY BREAKFAST DISHES, SO THAT HIS DAD WILL LET HIM WASH HIS CAR.
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B. Helicopters are used to complete tough jobs.
Explanation:
Helicopters are used to complete tough jobs like
It's B.
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Ketchup
1,2,3,5
On edge