Question

two useful bacteria​

Answer 1

The two useful bacteria are :

•Streptomyces is used in making antibiotics.

•Rhizobium are helpful bacteria found in the soil. They convert nitrogen in the soil.

Hope it may help you

Answer 2

✔✔Hey mate here is ur answer✔✔
Some of the useful bacterias are :

1. E.Coli (Escherichia coli)
It is present in the intestine and helps in digestion.

2. Streptomyces
It is used in making antibiotics.

amma gonna provide u more ... u can choose any 2 of 'em....

3. Rhizobium
These are the helpful bacteria found in soil . They help in nitrogen fixation.

4.Lactobacillus
It Can Help Treat and Prevent Vaginal Infections.

Hope it'll help u ... ☺☺