Multiple Choice
The model describes the amount of Cesium-137 remaining after t years. Which one of the following written statements best describes the behavior of Cesium-137?
A) The amount of radioactive substance decreases by half every years.
B) The amount of radioactive substance increases by half every year.
C) The amount of radioactive substance increases by half every years.
D) The amount of radioactive substance decreases by half every 79 years.
E) The amount of radioactive substance decreases by half every year.
Correct Answer:

Verified
Correct Answer:
Verified
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