Question

read the paragraph from the section \what big teeth you have!\ \there are rodents that have continuously growing incisors,\ says begun. beavers, squirrels and rats are a few examples. \but they cant do it at will.\ in fact, these rodents must grind their teeth or gnaw on hard items such as wood and bone to keep them short. if left unchecked, overgrown incisors can interfere with eating, injure their mouths and even grow through their skulls. which idea is best supported by the paragraph? a rats incisors quickly stop growing

Explanation:

The paragraph states that rodents like beavers, squirrels, and rats have continuously growing incisors. They must grind or gnaw on hard items to keep them short, as overgrown incisors can cause problems. Option A is incorrect as it contradicts the fact that their incisors continuously grow.

Answer:

(No options other than A were provided completely. But based on the analysis of option A, it is incorrect. More complete options are needed for a full - fledged answer.)