Unit 7 | Lesson 2
Lesson Assessment: Illnesses That Are Contagious
3.
(1 pt)
What pathogen causes flu and the common cold?
A.
fungi
B.
protozoa
C.
viruses
D.
bacteria
Unit 7 | Lesson 2
Lesson Assessment: Illnesses That Are Contagious
3.
(1 pt)
What pathogen causes flu and the common cold?
A.
fungi
B.
protozoa
C.
viruses
D.
bacteria