Question

1.
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:

a)microscope

b)nitrogen

c)yeast

d)bacteria

Answer 2

Explanation:

(a) microscope

(b) nitrogen

(c) yeast

(d) bacteria