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The Apollo astronauts dated many types of lunar rocks. Which of these is the oldest?
Tariff
A tax imposed by a government on imported or, less commonly, exported goods, often used to protect domestic industries from foreign competition.
Imports
Products or services that are imported from another country for the purpose of selling.
Roses
A type of flowering plant renowned for its beauty and fragrance, often used symbolically in various cultural contexts.
Equilibrium Price
The price at which the quantity of goods supplied is equal to the quantity of goods demanded in a market.
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