1, Caspian North America

The Nile in India is calm.

3. Flood control and power generation

4-6 days

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1 - 3 D A C

4. The climate of Amazon River basin is dominated by tropical rain forest, which is hot and rainy all the year round, with abundant precipitation, while Nile River basin is located in tropical desert climate and savanna climate zone, with much less precipitation than Amazon River.

5. Omission