Answer:
The center of the Milky Way most likely contains a supermassive black hole.
Explanation:
Because it is an eliptical galaxy, it has a little rotation to it but not enough to flatten out, thus the center would contain a supermassive black hole.
Answer:
Diffusion is the movment of particles from an area of high concentration to a low concentration down a concentration gradient
Answer: C & D
Explanation: I talked about this in my science club. They said C and D was the best answers.
Hope this helps you :)
Answer:b. cellulose; cell walls of plants
Explanation: polysaccharides are polymers of monossacharides.they are the most abundant organic substance.it is found in the cell walls of plants . cellulose is a linear polymer of glucose residues.cellulose is an important component in the diet of herbivores and omnivores.they do not produce the cellulase enzyme for digesting cellulose.as a result,they depend on symbiotic relationship with bacteria and protozoa found in their stomach to produce cellulase.
