Answer:
The air that we breathe in enters the nose or mouth, flows through the throat (pharynx) and voice box (larynx) and enters the windpipe (trachea). The trachea divides into two hollow tubes called bronchi
Explanation:
202
Just show them their place.
hope this helps
Sn²⁺ → Sn⁴⁺ + 2e⁻
