194k views
4 votes
Which item is a biological contaminant?

A. fingernail
B. hair
C. ammonia
D. bacteria

User MaxZoom
by
8.8k points

2 Answers

3 votes

Answer:

D. bacteria

Correct for plato

User Snod
by
8.0k points
2 votes
The answer would be d. bacteria 
User NotSoShabby
by
8.7k points
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