It was noticed in about 1901 that?
radiation could be used for medical treatments
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Chemistry, 25.01.2020 01:31 terrickaimani
It was noticed in about 1901 that?
radiation could be used for medical treatments
high doses of radiation could cause injury to humans
neither of the above
Answers: 2
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Can you reduce your impairment by drinking coffee or cold showers? true or false?
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When a comet collides with earth, it adds material to our planet and causes great damage. therefore, a collision like this is a a. destructive force b. constructive force c. geologic process and event d. constructive and destructive force
Answers: 1
Chemistry, 22.06.2019 15:00
Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.
Answers: 2
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