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mrs_skeptik [129]
3 years ago
10

What does a wave do?

Chemistry
2 answers:
jolli1 [7]3 years ago
5 0
The answer is D. It moves energy through space.
lidiya [134]3 years ago
3 0
The answer is A. It repels charges that are alike?
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Isotopes of an element will {always, sometimes, or never) have the same number of protons.
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Isotopes of an element will ALWAYS have the same number of protons.

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A gas occupies 1200 litres at 2 atm pressure. To what pressure must it be compressed to occupy 60 litres at the same temperature
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