Our body needs iron. certain foods are rich in iron and iron tablets are usually recommended by doctors. but neither the food nor tablets are hard like iron? why?

Asolid that forms and separates from a liquid mixture is called

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Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)