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4 votes
Help please! this is science .

Help please! this is science .-example-1
User Sloth
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2 Answers

3 votes

A.is the answer I.e because it send

of of electrical signal

User Made By FA
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5 votes

Answer:

I think B, but I'm not really sure, sorry!

Step-by-step explanation:

User Pbskumar
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