Answer:
Humidity is the measure of how much water vapor is in the air.
I just took a test with this question and got the answer wrong for saying ethane. The correct answer is propane.
In amides, the carbonyl carbon is bonded to a nitrogen. The nitrogen in an amide can be bonded either to hydrogens, to carbons, or to both. ... Another way of thinking of an ester is that it is a carbonyl bonded to an alcohol. Thioesters are similar to esters, except a sulfur is in place of the oxygen.