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Why certain regions have been declared a...

Why certain regions have been declared as biodiversity "hot spots" by environmentalists of the world? Name any two "hot spot" regions of India

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Certain regions have been declared as "hot spots" for maximum protection of three regions which have levels of species richness and high degree of endemism.
Western Ghats and Himalayas are two examples of hot-spots.
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XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII BOARDS-SECTION-B
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