Evaporation occurs at the surface of a liquid. which particles of the liquid will evaporate?

Explanation:

In simplest terms, the fastest moving ones that are closest to the surface.

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.

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