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- 2022-10-17
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First reading:
1. Present a finding, but with question behind it.
2. Experiment about pollutant (further illustration)
3. The result proves the question
Second reading:
1. Peru is a center for metallurgy in the new world, but archaeologist never found remnants of smelting furnaces. New study shows that pre-columbian civilizations can do metallurgy 1000 years ago
2. Due to wind-drafted furnaces, the metallurgy would processing small particles that floating to water. Hence experiment on above subject was conducted by CA
The result turns out that the missing furnaces were destroyed by landslides. |
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