Answer:
there are more particles at the surface than deeper depths
Explanation:
Mucus traps foreign particles and germs, protecting the body (especially the trachea)
C, decrease.
If the trait is easy to be seen by predators, they will be caught more often than those without the trait, thus reducing the frequency of the trait.
Answer:
Medical sciences and chemistry.
Explanation:
Snow’s work in anesthesiology refers to the field of medical and chemistry because he used different chemicals such as ether, amylene and chloroform which belongs to chemistry on his patients which shows the medical field. He was a physician and also the founder of the discipline anesthesiology in which he performed many experiments to see the effect of different doses of anesthesia on the human body.
