the main idea of a paragraph is,"teeth can tell you what types of food animal eats."Which of the fowling is a detail that supports the main idea?
(a) you can also tell what an animal eats by examining its den.
(b) Animals that are meat eaters (carnivores) have canine teeth for cutting and tearing.
(c)Mammals have teeth; insects don't.
(d) If you don't brush a dog's teeth regulary, it can lead to decay.