Defend this statement. If you want to find gold your best bet is to dig the "old gold" out of the ground. Your chances of making "new" gold are slim.

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.

Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.

Select the word from the list that best fits the definition the nuclear family into which a person is born or adopted.