Think about it: Gold is one of the densest substances known, with a density of 19.3 g/cm3. If the gold in the crown was mixed with a less-valuable metal like bronze or copper, how would that affect its density?

By making it weigh even more and if it weighs more then it has less of chance to float.

Explanation:

If it is mixed with a less-valuable metal, it would increase the density of the gold, making it weigh more and less able to float.

(I hope this answers your question!)

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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