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3 votes
Which statment is true

Which statment is true-example-1

2 Answers

4 votes
It would be A,but I don't know about D.A is better because,an organism is part of the system and it helps with teamwork to help your body.
User Ali Sherafat
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5 votes
A, unless D is a better choice, because i cant see what D is

for the bottom question
User Shrikantbishoye
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