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Paul [167]
3 years ago
8

HELP WHOEVER ANSWERS WILL BE MARKED BRAINLIEST

Chemistry
1 answer:
Vika [28.1K]3 years ago
7 0
1) T
2) F- the heart pumps blood
3) T
4) F- atria and ventricles
5) T
6) T
7) T
8) T
9) F- your heart rate goes down but doesn't stop
10) T

1) D
2) B
3) A
4) E
5)C
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Every substance in the experiment either mixed or dissolved during the  experiment.

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