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Which of the following is a description of a mineral? A. A man-made substance that has a crystalline structure
B. A naturally occurring solid made out of substances that were once living
C. A naturally occurring solid with a definite crystalline structure
D. A solid or liquid that has a random structure
The correct answer is: C. A naturally occurring solid with a definite crystalline structure.
Explanation: Minerals are defined as naturally occurring, inorganic solids that have a specific chemical composition and a crystalline structure. This means they form naturally in the earth and have a distinct arrangement of atoms. Options A and B describe substances that do not fit the definition of a mineral, and option D incorrectly describes a mineral’s structure. If you have more questions or need further assistance, feel free to ask!
The correct answer is C. A naturally occurring solid with a definite crystalline structure.
Explanation: A mineral is defined as a naturally occurring inorganic solid that has a specific chemical composition and a crystalline structure. This means it forms in nature, is solid, and has a regularly repeating arrangement of its atoms, which gives it a crystal form. Choices A and B describe substances that do not fit the definition of a mineral, and choice D does not describe the orderly structure required for mineral classification.