Helppppppppppppppppppp

asked May 2, 2022 4.2k views

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5 votes

It’s A because in every experiment you need some type of control

Jaison answered May 3, 2022

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2 votes

Answer:

if i had to guess it would be D

Step-by-step explanation:

Sorry if im wrong, but i wouldnt have any liquid on atleast one of them so i can compare and contrast the other coins to the regular 1p coins

Mark Amery answered May 7, 2022

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