Answer:
It is a large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily. Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarges. This contraction creates a vacuum, which pulls air into the lungs.
Explanation:
Answer:
If I remember correctly it should be B because it went from Cu^2 to Cu^0
Explanation:
This is false. Some plants are the same or at least very similar
