Question

Fill in the blanks.
(a) Microorganisms can be seen with the help of a
(b)
Blue green algae fix
of soil.
directly from air and enhance fertility
(c)
Alcohol is produced with the help of
(d)
Cholera is caused by​

Answer 1

Answer:

1) microscope

2) nitrogen

Answer 2

Answer:

(a)

microscope

(b)

nitrogen

(c)

fermentation

(d)

• bacteria

Explanation:

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