Physics, 08.02.2021 15:10 shinekamui
Ms
2. The half-life of radium-226 is 1600 years. If a sample of radium-226 has an original activity of
200 Bq, what will it's activity be after:
i) 3200 years?
4800 years
iii) 6400 years
Answers: 2
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What are chlorofluorocarbons and what impact do they have on the atmosphere?
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Researchers determine that the biodiversity in a woodland region is declining. they identify two major threats to the region's biodiversity, a method to address each threat, and the expected outcome of each method. this information is shown in the table. a) reforestation would not benefit many species because most forest species live on the ground. b) reforestation would take the longest time to be effective because trees take several years to grow. c) biological augmentation would benefit only a few species because is is typically not very effective. d) biological augmentation would take less time to ve effective because it targets the majority of prey species.
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Physics, 22.06.2019 16:00
The process of predicting values that extend beyond the range of data points is called absolute value extrapolation interpolation prediction for any given: )
Answers: 2
Ms
2. The half-life of radium-226 is 1600 years. If a sample of radium-226 has an original activity...
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