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svet-max [94.6K]
2 years ago
14

Can somebody please help me!!

Social Studies
1 answer:
____ [38]2 years ago
3 0

Answer:

1. Oil had many functional uses such as cooking, heating, and lighting. For example, oil lamps used oil and were a great source of lighting during that time.

2. Crude is another word for unprocessed, or unfiltered oil (oil that is not ready for use).

3. Refineries were used to process or "filter" the oil to make it useful without emitting more dangerous gases to people using oil.

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