The student is trying to see which substance (disinfectant 1, 2, 3, or the distilled water) can disinfect the most.
Answer:
The two types of cells that never go through cell division once fully formed are nerve cells and muscle cells.
Explanation:
The nerve cells and the muscle cells not undergo cell division after formation, because they can never re grow or cannot be repaired once they are mature. We should take good care of it once they are matured. They just under division from being baby to teenagers after that they stop undergoing cell division. This is true for both elephants as well as human beings. This thing is also applicable in case of bones.
"It converts the inactive enzyme pepsinogen into the active enzyme pepsin, which is responsible for digesting proteins in your stomach. HCL also helps digest other foods in your stomach. Ultimately, HCL is neutralized by chemicals secreted in your small intestine."
But, use your own words, though. Because I just hit copy & paste. Hope this helps!
Answer:
A
Explanation:
I think an untreated water can carry disease causing organisms and make people sick
The Fish does not give off Carbon Dioxide