Answer as many as u can
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Explanation:
8Aa
1. What they eat
2. carbohydrates
3. it can dissolve substances
4. iodine solution
8Ab
1. respiration
2. meat, fish and nuts
3. growth and repair
4. a 35 year old man who works outside cutting down trees
8Ac
1. you eat foods containing the right amount of all different nutrients
2. iron
3. starvation
4. rickets (bow foot, deficiency in vitamin D/calcium)