4. What are the conditions, and what are the products, for the reaction of the follow-
ing substances with water or steam: (a) iron;
(b) calcium; (c) charcoal; (d) chlorine;
(e) calcium carbide

that are vitamin a b c d e

Explanation:

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no but i do not usually comment or use my voice that much when it comes to social media

b. accuracy of the data matters alot more than its number of digits, organization or amount of detail. quantitative observation is more accepted than the qualitative observation.