Definition for Difference between revisions of "Minerals"
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(Created page with "Natural inorganic substances that have a definite chemical composition and characteristic crystal structure, hardness, and density. Category:Economics") |
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| − | Natural inorganic substances that have a definite chemical composition and characteristic crystal structure, hardness, and density. | + | 1. Natural inorganic substances that have a definite chemical composition and characteristic crystal structure, hardness, and density. |
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[[Category:Economics]] | [[Category:Economics]] | ||
| + | 2. Are inorganic elements that play important roles in maintaining a healthy body. | ||
| + | [[Category:Biology]] | ||
Revision as of 14:42, 22 October 2019
1. Natural inorganic substances that have a definite chemical composition and characteristic crystal structure, hardness, and density. 2. Are inorganic elements that play important roles in maintaining a healthy body.