1. Mouth/Nose
2. Pharynx
3. Trachea
4. Bronchi
5. Bronchiole
6. Alveoli
Study hard.
Answer: A.
Explanation:
There core, or inner layer, is the most dense due to its magnetic pole, not to mention, the core is comprised of multiple molten materials, heated so hot, tht it practically exist between two states of matter simultaneously.
Viruses are not alive. Although they sort of “hack” a host’s cells and reproduce, they do not breathe or move on their own. A virus will sit on a counter forever if it’s untouched. Viruses are spread by physical contact, not because they can move around on their own.
Although viruses can attack and hack, and use your cells to reproduce, they are programmed to do so.
Cells are very much alive, while viruses are not.