What you meant must be the adaptive advantage of the frogs' lungs. Frogs are considered as amphibians wherein the have this unique ability to reside either on land or in water. Their specialised lungs could be responsible to these which makes them capable of breathing oxygen in water and land.
Answer:
Ar
Explanation:
Argon isn't with the metals on the periodic table
Answer:
Summary of Excretion so yea :()
The answer is 46 dna molecules in a human cell