Question

Chemoautotrophic bacteria obtain energy for the synthesis of food through
(1)reduction of organic compounds
(2)oxidation of inorganic compounds
(3)reduction of inorganic compound
(4)oxidation of organic compound ​

Answer 1

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Answer:

oxidation of inorganic

Explanation:

Chemoautotrophs are able to synthesize their own organic molecules from the fixation of carbon dioxide. These organisms are able to produce their own source of food, or energy. The energy required for this process comes from the oxidation of inorganic molecules such as iron, sulfur or magnesium.