Question
Complete the paragraph using proper words:
[oxygen, pyridines, mechanical, $CO _2$, petroleum, fatal, polyester, Nocardia]
Spilling of _____________ oil occurs in ocean due to various reasons. This oil may prove _____________ and toxic to aquatic organisms. It is not easy to remove the oil layer from surface of water by _____________ method.
However, bacteria like Pseudomonas spp. and Alcanovorax borkumensis have to ability to destroy the _____________ and other chemicals. Hence, these bacteria are used to clear the oil spills. These are called as hydrocarbonoclastic bacteria $(HCB). \ HCB$ decompose the hydrocarbons and bring about the reaction of carbon with _____________ , _____________ and water is formed in this process.

Answer

Spilling of petroleum oil occurs in ocean due to various reasons. This oil may prove fatal and toxic to aquatic organisms. It is not easy to remove the oil layer from surface of water by mechanical method.
However, bacteria like Pseudomonas spp. and Alcanovorax borkumensis have to ability to destroy the pyridines and other chemicals. Hence, these bacteria are used to clear the oil spills. These are called as hydrocarbonoclastic bacteria $(HCB). HCB$ decompose the hydrocarbons and bring about the reaction of carbon with oxygen , $CO_2$ and water is formed in this process.

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