Final answer:
The areas with the highest population density are East Asia, South Asia, and Western Europe. Black soil is known as regur soil in regions like the Deccan Plateau.
Explanation:
The areas with the highest density of population are:
- East Asia, particularly China and India
- South Asia, including Bangladesh and Pakistan
- Western Europe, like Germany and the United Kingdom
Black soil, locally known as regur soil, is found in areas like the Deccan Plateau in India.
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