166k views
1 vote
Infections may be caused by

A. mutations
B. microorganisms
C. toxic substances
D. climate changes

2 Answers

2 votes

Answer:

B.micro organisms

Explanation:micro organisms such as bacteria and protozoa results in diseases like flu and malaria.

User HariUserX
by
7.1k points
4 votes

Answer:

I would say B

Step-by-step explanation:

stuff like viruses, bacteria, and etc

User Ento
by
8.2k points

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