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