The correct answer would be D) An observation that has a number associated with it.
Fats and oils are usually made up of fatty acids and glycerol. Proteins are a class of macromolecules that can perform a diverse range of functions for the cell. They help in metabolism by providing structural support and by acting as enzymes, carriers or as hormones. The building blocks ofproteins are amino acids.
Answer:
B. is the correct answer. if not let me know
The presence of chlorophyll for carrying out photosynthesis.