I'm tied between A) and D). I say D). Hope this helps!
Aye Sir!!
Answer:
If your just looking for a description here you go.
Explanation:
Most spiral galaxies contain a central bulge surrounded by a flat, rotating disk of stars. The bulge in the center is made up of older, dimmer stars, and is thought to contain a supermassive black hole. Approximately two-thirds of spiral galaxies also contain a bar structure through their center, as does the Milky Way.
Hope this helps.
Answer:
Aquatic plants
Explanation:
Aquatic biomass is energy crops which do not remain competitive for territory or any other energy with food plants. Aquatic biomass consists of various micro, macro- and aquatic plant species. The highest priority has been given to HTL treating aquatic biomass because microalgae are suitable for use and can potentially deliver the highest levels of biomass per area. Aquatic biomass, such as seaweed, algae and aquatic plants, is likely to achieve part of the growing biomass want.
Plant! The membrane controls what goes into and out of the cells.