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LAT Review| 165 QUESTIONS| WITH COMPLETE SOLUTIONS
- Exam (elaborations) • 24 pages • 2024
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LAT Review| 165 QUESTIONS| WITH COMPLETE 
SOLUTIONS 
What is a biological filter? 
A. An inert substance that binds nitrifying bacteria 
B. A carbon-activated filter 
C. A fish 
D. A snail - ANS-A. An inert substance that binds nitrifying bacteria 
What is a bio-film? 
A. A substance applied to tank walls to capture light 
B. Microorganisms that stick to the tank wall 
C. An ultraviolet filter that captures images of aquatic species 
D. Microorganisms that emit light - ANS-B. Microorganisms th...