Agnes is a variety of mineral court court is composed of silicon dioxide CO2 which is one part silicon for every two parts of oxygen which statement correctly describes the describes the extended structure of 

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Explanation:

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question - how does mountainous terrain affect settlements in a region? choose all answers that are correct.

groups trade with each other regularly.

people travel from settlement to settlement.

why: since they travel to go trade or visit it may be harder to get there because of the mountainous terrain.

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