I believe the only option should be C. Proteins. Only Carbohydrates, Proteins and Nucleic Acids are categorized as Macromolecules, not Lipids.
Answer: Most ecologists do not study the biosphere level of organization because it is difficult to study all of life on earth as a whole. It is more effective to study it broken down into parts.
Explanation:
Because that was the time when nazi powers were rising in power. At the time he was only there as a traveler but then he thought it would be better just to stay there. Hope this helped
Answer:
a plant can be categorized as a weed if it is growing where it is not wanted/needed
