Plants are separated into C) 3 categories.
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Answer:
Fats, oils, waxes, and sterols.
Explanation:
Lipids are made mainly of fats, oils, waxes, and sterols.
They also have 3 fatty molecules.
Answer:
Nitrogen fixation
Explanation:
Biological nitrogen fixation is carried out by two types of microorganisms namely, symbiotic and free living microorganisms. Symbiotic microorganisms are bacteria f the genus <em>Rhizobium</em>. These are found in root nodules of leguminous plants. They convert atmospheric nitrogen into ammonia which is used directly by leguminous plants to form nitrogen containing organic compounds.