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timkareid
2

Scientists have developed a synthetic substance that can _____. A.grow artificial limbs B.be used to replace damaged brain tissue C.replace damaged nerve tissue D.conduct, or transmit, nerve impulses

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(2) Answers
Vyrha

Scientists have developed a synthetic substance that can "A.grow artificial limbs," although the science behind such a development is still very lacking. 

monkeypal2010

C. Replace damaged nerve tissue.

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