PLEASE!!! HELP!!!! WILL BRAINLIEST!!!!

Which substance is not one of the common elements of organic compounds?



A.
hydrogen


B.
helium


C.
nitrogen


D.
phosphorus

What are the major organic molecules?


A.
lipids, minerals, proteins, sulfuric acid


B.
carbohydrates, lipids, proteins, nucleic acids


C.
nutrients, nucleic acids, carbon, oils


D.
carbohydrates, nucleic acids, vitamins, minerals