Question

2. Fill in the blanks
a) A laver of oil on any food prevents the growth of
and
and
are common preservatives.
preservatives is used in making jams, jellies, syrups and candies.
is the key requirement of microbial growth from foodstuffs.
in the method of preservation.
(0 Most nitrogen fixation depends on certain bacteria like
and
fe) We lose​

Answer 1

Answer:

Bactria and fungus

azitobacter and nitro bacteria

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