The american heart association recommends a diet with a maximum of

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the electromagnetic energy from the sun arrives in the form of visible and invisible light.

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds

c is the answer to this question. altitude affects the weather because air molecules evaporate.