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Question

Question
The graph above shows the radioactive decay of Cesium-137 that was produced in a power plant in 2011. Which of the following can be determined from the data in the graph? (A) The year when the power plant started producing electricity (B) The total number of kilowatts that can be produced per year (C) The year when Cesium-137 can be disposed of safely (D) The amount of Cesium-137 needed to produce electricity

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Travis

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Answer

C

Explanation

The question is asking what can be determined from the data in the graph related to the radioactive decay of Cesium-137. The options provided are:A. The year when the power plant started producing electricityB. The total number of kilowatts that can be produced per yearC. The year when Cesium-137 can be disposed of safelyD. The amount of Cesium-137 needed to produce electricityOption A is incorrect because the graph is about radioactive decay, not about the power plant's electricity production.Option B is also incorrect because the graph does not provide information about kilowatts or electricity production.Option D is incorrect because the graph does not provide information about the amount of Cesium-137 needed for electricity production.Option C is the correct answer. The graph shows the radioactive decay of Cesium-137, which is a concern for safety. The graph would allow scientists to determine when the Cesium-137 has decayed to a safe level and can be disposed of safely.

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