Answer:
Most amphibians can breathe both through cutaneous respiration (through their skin) and buccal pumping - though some also retain gills as adults. Some aquatic salamanders (and all tadpoles) have gills and can breathe underwater thanks to them. The Mexican axolotl, for example, never loses its gills.
What is part B I need more info.
Answer: About 16 months to 4 years.
Explanation: Depending on the specific nursing program you enroll in. On average, becoming a registered nurse can take 3 years.
