Question

write any two useful bacteria​

Answer 1

Explanation:

Some examples of helpful bacteria include E. Coli (when used for the digestion process), Streptomyces, and Rhizobium. Some examples of harmful bacteria include E. Coli (when contaminating food), Listeriosis, and Salmonella.

Answer 2

Answer:

Bacteria are used in fermentation processes, such as brewing, baking, and cheese and butter manufacturing. They are also used in agriculture, such as in composting processes and as pesticides. Bacteria play the key role in nitrogen fixation.

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