A naturally occurring inorganic substance with a specific chemical composition is known as what?

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Multiple Choice

A naturally occurring inorganic substance with a specific chemical composition is known as what?

Explanation:
Think about what defines a mineral: it is a naturally occurring substance formed in nature, inorganic (not from living processes), a solid with a definite chemical composition, and typically arranged in a crystal lattice. That exact combination fits the description in the question, so the best term is mineral. For contrast, migration is about movement, a niche is an ecological role, and an ocean trench is a geographic feature—none of these describe a solid inorganic substance with a fixed composition. Examples like quartz (SiO2) and halite (NaCl) illustrate the idea of a mineral with specific chemistry and structure.

Think about what defines a mineral: it is a naturally occurring substance formed in nature, inorganic (not from living processes), a solid with a definite chemical composition, and typically arranged in a crystal lattice. That exact combination fits the description in the question, so the best term is mineral. For contrast, migration is about movement, a niche is an ecological role, and an ocean trench is a geographic feature—none of these describe a solid inorganic substance with a fixed composition. Examples like quartz (SiO2) and halite (NaCl) illustrate the idea of a mineral with specific chemistry and structure.

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