Which statements correctly describe rivers in arid regions?

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Accepted Answer

1. **Water is scarce** in arid regions, so most rivers are not perennial.
2. **Seasonal drying:** many rivers are ephemeral or intermittent and dry up in dry months.
3. **Glaciers are rare** in deserts, so most desert rivers do not start from glaciers.
4. **Shallow channels:** desert rivers often run in wadis or shallow beds, not deep valleys.

FINAL_ANSWER: b

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