Question

Q-3 Do as directed.
(1) How do microorganisms increase soil fertility ?
(2) Which activity would you do to prove that the temperature of a substance must reach
the combustion point of that substance in order to ignite it?
(3) How is petroleum made up ?
(4) Collect information and make a note on how food is preserved in your home.
(5) Make a note on which microorganisms are used in your home to make different dishes?
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Answer 1

Answer:

microorganisms increase soil fertility with the help to it pores the soil and increase humus

ex:- rhizobium , earthworms and leeches