The answer is 2. The fact that mechanized agriculture has replaced manual labor. Hope this helps :)
From East to West
Florida, Georgia, Alabama, Mississippi, Louisiana, Texas, and New Mexico,
Answer:
Earth Scientists Use Fractals To Measure And Predict Natural Disasters. Predicting the size, location, and timing of natural hazards is virtually impossible, but now, earth scientists are able to forecast hurricanes, floods, earthquakes, volcanic eruptions, wildfires, and landslides using fractals.
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Answer:
The Aryan civilization. The year was 1750-500 BCE
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