Question

I need 9 class paper science

Answer 1

1.what is reverberation? how can we reduce it.
2.what is ultrasound? give three examples where it can be used.
3.functions of stomata.
4.define power.
5.define potential energy.
6.define kinetic energy.
7.differnciate between prokaryotic and eukaryotic cell.
8.differenciate between plant cell and animal cell.
9.infectious and non infectious diseases.
10.acute and chronic diseases.
11.state Arechimedes principle.


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Answer 2

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