An example of plain language is federal government <span />
This statement is true. Early land animals indeed had gills as well as lungs. It is generally known that amphibians breathe through their skin, like how the lungs needed the skin for its respiratory. Fish have gills for breathing while mammals do have their nasal cavity and lungs for their gas exchange.
Answer:
A) citric acid cycle alone.
good luck ❤
Explanation:
