Answer:
Infectious diseases are caused by pathogens, which include bacteria, fungi, protozoa, worms, viruses, and even infectious proteins called prions
Answer:
Scientist used models to explain and predict the behavior of real object or system
Ойлголоо, уучлаарай Ойлголоо, уучлаарай /; coo
Answer:
D
Explanation:
I think but it is an better attempt than the other guy answer.