Most amphibians breathe with gills as larvae and with lungs as adults.
Frogs are amphibians, iguanas and snakes are reptiles.
Frogs breathe with gills as larvae and lungs as adults.
what breathe with gills as larvae and lungs as adults?

A. fish
B. snakes
C. frogs
D. salmon
E. breathe
F. bats
G. lungs
H. animals