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Biology, 06.11.2020 22:00 he0gaubong

What evidence would indicate a new material has been produced? A.
Soot appears on a fireplace after a fire.
(B.
metal spoon gets hot after coming out of a dishwasher.
(C.
The hubcap of a car is bent during an accident.
(D.
A wire sags when too much electricity passes through it.

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What evidence would indicate a new material has been produced? A.
Soot appears on a fireplace...
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