Question

how does the amount of radium - 226 change over time according to the graph? it fluctuates randomly it remains constant it decreases steadily it increases steadily

Explanation:

Radium - 226 is a radioactive element that undergoes radioactive decay. Radioactive decay is a spontaneous process and the amount of the radioactive substance decreases over time in a steady - like manner following an exponential decay model.

Answer:

C. It decreases steadily