I'm not positive but i believe it would be a ruler with millimeters and centimeters
Sulfur<span> is an important structural atom in most </span>proteins<span> as </span>sulfur amino acids. It defines its structure. <span>The </span>sulfur<span>-containing </span>amino acids<span>, </span>can<span> be converted into each other but neither </span>can<span>be synthesized in humans. Hope this answers the question. Have a nice day.</span>
I had to take a screenshot of my response since it was getting flagged for being inappropriate for some reason.
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.