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1. Sahara

Description: the Sahara desert With an area of 9,200,000 square kilometres, it is the largest hot desert in the world and the third largest desert overall, smaller only than the deserts of Antarctica and the Arctic

Location: Africa.

Country: Africa

Sahel

Description: The Sahel is the ecoclimatic and biogeographic realm of transition in Africa between the Sahara to the north and the Sudanian savanna to the south. Having a semi-arid climate, it stretches across the south-central latitudes of Northern Africa between the Atlantic Ocean and the Red Sea.

Location: Africa

Country: Africa

Savanna

Description A savanna or savannah is a mixed woodland-grassland ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close. The open canopy allows sufficient light to reach the ground to support an unbroken herbaceous layer consisting primarily of grasses.

Location: Africa, Australia, India and South America

Countries: Africa, Australia, India and South America

Tropical rainforest

Description: Tropical rainforests are rainforests that occur in areas of tropical rainforest climate in which there is no dry season – all months have an average precipitation of at least 60 mm – and may also be referred to as lowland equatorial evergreen rainforest.

Location: Tropical rainforests are found in Central and South America, western and central Africa, western India, Southeast Asia, the island of New Guinea, and Australia

Countries Central and South America, western and central Africa, western India, Southeast Asia, the island of New Guinea, and Australia

Explanation:

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