Which of the following best describes a mineral?
A. a solid natural material with a crystal structure
B. a material that was once living but has decayed
C. a liquid chemical used to make soil more fertile
D. a nutrient produced by plants that other organisms need

2

Answers

2014-10-19T21:05:43+08:00
They're all correct depending on which lesson you're tackling.
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2014-10-19T22:10:49+08:00
A a solid natural material with a crystal  structure
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