What would happen if we had no stratosphere?
It wouldn't be there to block ozone from entering the troposphere and harming humans.
What is the difference between eukaryotic and prokaryotic cells?
Eukaryotic- has a nucleus, bigger and more complex, Prokaryotic- no nucleus, smaller and less complex
How many regions of the pharynx are there? What are they?
3. The nasopharynx, oropharynx, and laryngopharynx