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Fragile ecosystems cover:
Forestrymedium
AThe arid and semi-arid zones of the world, arid savannas of the tropics, the slopes of the mountains of the tropics
BAnd subtropics and forest areas of the developing world under shifting cultivation have been described as ‘Fragile Ecosystems’
CBecause their equilibrium appears to be easily upset and because they become ecologically degraded if certain forms of land use
All of the above
Correct Answer: D. All of the above