Answer Posted / geol

marine phytoplanktons like Diatoms... rapid burial is necessary

What is lava?

443

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Explain techno-fossils?

424

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What is the difference between a semi-precious and a precious stone?

455

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Soils take how many years to form?

464

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How is the age of mountains calculated?

476

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What is metamorphic rock?

453

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What is prospector?

434

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What is crust?

414

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What is what are some of the sub-disciplines within the field of geology?

497

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Explain how has the earth changed since it was formed?

450

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What is concentrate?

439

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What is roasting?

424

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How are fossils formed?

447

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What is lustre?

475

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Explain the difference between a canyon, gorge, and valley?

429

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