Which substance cannot be separated or broken down into simpler substances by chemical means? table salt

gold wire

candle wax

water vapor

Gold Wire

Explanation:

Out of all of these options only gold wire is an element, elements are pure and cannot be broken down by any chemical means

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introduction of a drug directly into the respiratory tract is a form of inhalation administration.

they include patterns; cause and effect; scale, proportion, and quantity; systems and system models; energy and matter; structure and function; and stability and change.

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