PT 16 S4 Q18

When catastrophe strikes, analysts typically blame some combination of ... ...

It can be inferred from the passage that the theory employed by the investigators mentioned in the second paragraph would lead one to predict that which one of the following would result from the addition of a grain of sand to a sandpile?
(A) The grain of sand would never cause anything more than a minor disturbance.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Practice Set: Science & Technology Mix 3