The table lists the chemical formulas or symbols of a few common substances. which two substances are compounds? a) aluminum and iron b) iron and sodium chloride c) carbon dioxide and aluminum d) sodium chloride and carbon dioxide

The answer is D because both sodium chloride and carbon dioxide contain more than one element. This is indicated by their formulas, which contain the symbols for two elements each.

idk what the question is about

hurricanes form when warm, moist air from the ocean surface quickly rises into the atmosphere and forms storm clouds and rain. when the clouds are formed, heat is released which warms the cool air in the upper regions of the atmosphere so that the cycle can continue. which two phases of the water cycle are repeated in this process?