There are approximately 4000 different minerals, and each of those minerals has a unique set of physical properties. These include: color, streak, hardness, luster, diaphaneity, specific gravity, cleavage, fracture, magnetism, solubility, and many more. These physical properties are useful for identifying minerals
B) the decay of once-living things
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Answer: c. Is spontaneous generation a valid explanation for maggots in meats?
Explanation: