Answer: coal
Explanation: coal is formed when layers of peat are compressed by the layers of rocks above.
Answer:
Patent fingerprints can be made by blood, grease, ink, or dirt. This type of fingerprint is easily visible to the human eye. Plastic fingerprints are three-dimensional impressions and can be made by pressing your fingers in fresh paint, wax, soap, or tar.
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Explanation:
Answer:
The American bison is the national animal of USA..