Identify (i) and (ii) from the given table. Inorganic substancesOrganic substancesa) Hydrogen(i)b) (ii)Fatsc) OxygenCarbohydrates
A
(i) Nitrogen, (ii) Proteins
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B
(i) Proteins, (ii) Nitrogen
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C
(i) Lipids, (ii) Proteins
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D
(i) Nitrogen, (ii) Sodium
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Solution
The correct option is B (i) Proteins, (ii) Nitrogen Ecosystems are communities that consists of interactions between the living (biotic) and non-living (abiotic) factors. Abiotic factors are further classified as physical factors and chemical factors. Chemical factors are further classified as organic and inorganic substances.
Organic substances are substances which are mostly composed of hydrocarbons. For example, carbohydrates, fats, proteins, etc.
Inorganic substances are substances are compounds that do not contain hydrocarbons. For example, hydrogen, nitrogen, oxygen, etc.