Answer
A. Element
B. Element
C. Compound
D. Compound
Work Step by Step
A. It's an element on the periodic table
B. It's an element on the periodic table
C. It's a compound because it is made up of 1 carbon and 4 hydrogen
D. It's a compound because it is made up by 3 different elements and not one, it is made up by 6 hydrogens, 3 carbons, and one oxygen atom