Test:AP Environmental Science

1.

When discussing mining and mineral extraction, which of the following best defines "reserves"?

The processed weight of the mineral resource recovered over the lifespan of the mine

The predicted total quantity of a mineral resource that exists in a mine or excavation site

An unreliable figure, often inflated by governments of countries with resource-based economies to inflate prices and attract investors

The finished product, refined from extracted ore and available for purchase in the consumer market

The determined quantities of a mineral resource that can be economically recovered

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