Answer:
5 group according to their basic shapes
Spherical (cocci) Rod (bacilli) Spiral (spirilla) Comma (vibrios) Corkscrew (spirochaetes)
Step-by-step explanation:
that of the bacteria found in indoor air, the most common four are: Micrococcus, Staphylococcus, Bacillus, and Pseudomonas. Micrococcus is a sphere-shaped (coccus/cocci generally means spherical), relatively harmless bacterium
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