A shipping company employee notices that the inside of shipshulls were ballast water is stored are deteriorating. The hullpaint contained cyanide to prevent microbial growth. Bacteria were growing on the hulls. You can therefore conclude that the...
Bacteria were growing by fermentation.
Bacteria were photosynthetic.
Bacteria were using anaerobic respiration.
Bacteria were using aerobic respiration.
Bacteria were using cytochromes.