Biology, 11.11.2020 06:50 mm016281

Petrified wood is a beautiful material that forms over thousands of years. It occurs when forests get covered in rock and sediment. Which statement is true? 1. It is a mineral now that the Earth has changed it

2. It is not a mineral because the material was organic

3. It is a mineral as long as it displays the crystal structure

4. It is not a mineral because it has a definite composition

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