Fact 1: Most amphibians breathe with gills as larvae and with lungs as adults. Fact 2: All frogs are amphibians. Given the two facts above, what do frogs breathe with when they are adults?
Choose from:
[A]. skin;
[B]. fins;
[C]. lungs;
[D]. oxygen;
[E]. gills;
[F]. air;
[G]. Energy;
[H]. Gases;
Answer:
[C].