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3 votes
HELP! PLEASE! I really need to do this soon!

HELP! PLEASE! I really need to do this soon!-example-1

1 Answer

4 votes
for 2, i think that the reason the ultrasound can make an image is by using the waves that it can use to pick up (???)
idk, that's what i think anyway, i hope i helped ^^
User Hsan
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