| 21. | The speed skating track became semi-indoors and a subtropic swimming pool was added.
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| 22. | It occurs in temperate regions worldwide, regions between the subtropics and the polar circles.
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| 23. | They are found on rocky shores in the littoral zone of the tropics and subtropics.
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| 24. | It is one of a few slime moulds mainly common in the tropics and subtropics.
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| 25. | This order mostly belongs to tropical areas, with limited presence in subtropic and temperate regions.
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| 26. | They form a regular part of the diets of many people in the tropics and subtropics.
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| 27. | It can be grown outdoors in the tropics and subtropics with normal garden soil and watering.
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| 28. | Flu seasons also exist in the tropics and subtropics, but are usually less sharply defined.
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| 29. | Tattlers are strongly migratory and winter in the tropics and subtropics on muddy and sandy coasts.
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| 30. | They are found all over the world, although most occur in the tropics and subtropics.
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