Physics, 26.08.2020 14:01 robert7248
When a fire breaks out, immediately use a fire extinguisher. true or false?
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What type of nuclear decay causes the atomic number of an element to increase by 1?
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True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.
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Physics, 22.06.2019 15:40
If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.
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Physics, 22.06.2019 22:50
What is an electric motor? explain its operation. 2-3 sentence
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When a fire breaks out, immediately use a fire extinguisher. true or false?...
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