The answer is; crude oil and iron ore
Iron ore is used to make steel (mainly Fe). However, the raw material contains a mixture of impurities such as pyrite and apatite that have to be removed. Crude oil also includes a mixture of different hydrocarbon and other impurities. Impurities such as water have to be removed and the hydrocarbon distilled to separate them.
Any chemical reaction such as combustion, oxidation, decomposition, cellular respiration, etc.
Answer:0.64$
Explanation:1 Gallon gas= 3.785 litres
3.785 litre costs 2.499 $
1 litre costs 2.499/3.875= 0.64 $
Answer:
10
Explanation:
you need to balance the reaction. the left must be equal to the fight hànd. multiply both sides by 2