Answer:
Explanation:
A) a communicable disease is a disease that can spread from person to person.
A non communicable disease is a disease that's cannot spread from person to person.
Pathogens can enter the body through the air. Air particles can contain particles of human sneezing and spread to other people.
The answer is c. the pollution or smog level
Answer:
C
Explanation:
The kidneys perform many crucial functions, including: maintaining overall fluid balance. regulating and filtering minerals from blood. filtering waste materials from food, medications, and toxic substances