B. Australia.
Hope this helps!!!:)
Answer:
Electric power first saw commercial use in the 1870s.
Answer: The cell membrane represents several types of different molecules.
Explanation:
Its basic function is to separate the intracellular part from the extracellular parts. Biological membranes are globally built on the same principle and consist of lipids, proteins, glycolipids, and glycoproteins. Two layers of lipids form the structural matrix of the membrane. Membrane proteins are key to membrane function. The composition also includes sugars that do not come independently but are covalently bound to membrane proteins or lipids.
mate but I think it was human then they got conscience and then started building themselves
