Examlex
In an oligopoly, the actions of any one market participant can have an impact on the marginal revenue of other participants.
Weathering
The breakdown of rocks, soil, and minerals as well as artificial materials through contact with the Earth's atmosphere, organisms, and water.
Precipitation
Any kind of water, either as a liquid or a solid, that drops from the clouds and lands on the Earth, covering types like rain, snow, sleet, and hail.
Gold Placer Deposits
Concentrations of gold found in sedimentary deposits, formed by gravity separation during sedimentary processes.
Caldera
A caldera is a large depression formed when a volcano erupts and collapses, following the emptying of the magma chamber below the volcano.
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