According to the graph, radioactive decay is a(n) _________ in radioactivity as a function of time.
A) linear decrease
B) linear increase
C) exponential decrease
D) exponential increase
E) random decrease

Question

According to the graph, radioactive decay is a(n) _________ in radioactivity as a function of time. 
A) linear decrease 
B) linear increase 
C) exponential decrease 
D) exponential increase 
E) random decrease

Quizplus · Accepted Answer

The graph shows a steady and continuous decrease in radioactivity over time, which corresponds to the exponential decay of radioactive isotopes. Therefore, choice C, exponential decrease, is the best answer.

According to the Graph, Radioactive Decay Is A(n) _________ in Radioactivity