| 11. | Species in the family have a widespread distribution, especially in tropical areas.
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| 12. | The town is located in a tropical area where landslides are common.
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| 13. | These are birds of tropical areas, with the greatest variety in Southeast Asia.
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| 14. | The species have a widespread distribution, but are specially prevalent in tropical areas.
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| 15. | The disease most commonly occurs in tropical areas of the world.
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| 16. | They have a widespread distribution, with many found in tropical areas.
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| 17. | A star fruit tree can reach 25 feet in tropical areas.
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| 18. | The pest is found in tropical areas including Grenada and Trinidad.
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| 19. | Woodcutters working in tropical areas should be particularly targeted for vaccination.
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| 20. | Yellow fever is endemic in some tropical areas of Africa and the Americas.
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