Identify the number of atoms on the reactant side of the chemical equation. Fe2O3 + 3H2 → 2Fe + 3H2O

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Explanation:

And instead of use the arrow use a equal sign

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he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

i hope this : )