Answer: The half-reaction correctly shows the oxidation of iron
Explanation:
Oxidation-reduction reaction or redox reaction is defined as the reaction in which oxidation and reduction reactions occur simultaneously.
Oxidation reaction is defined as the reaction in which a substance looses its electrons. The oxidation state of the substance increases.
The oxidation of iron is represented as:

Reduction reaction is defined as the reaction in which a substance gains electrons. The oxidation state of the substance gets reduced.
The reduction of iron is represented as:

Oxygen carbon and hydrogen
Answer:
1). Carbon dioxide.
Nitoge dioxide.
2). Through photosynthesis.
Answer:
color
Explanation:
Scientists can use the color of minerals to tell them apart.
I believe that this is False.
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