Hello! Glad to help.
From what I have learned in my ICP class, molecules combine together to form componds. A compound is any molecule that is made up of two or more different elemental atoms.
Hope this helps you! Anymore questions? Just ask.
C is not a product of cellular respiration because C6H1206 is glucose and it is not a product of cellular respiration.
I am sorry bro I don't know
This is classified as a "Formation Reaction"
An acquired trait is a trait developed through learning. (: