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What mountains divide Europe and Asia?

Animals and plants steppe.Omnivore wilderness, and their features.As adapted plants in the desert

What are the beasts of burden?

Indians - who are they?

What is the archipelago ?Malay , Arctic , Canadian , Alexander , Japanese, Chagos , Solovetsky archipelago

Rankine cycle for the steam turbine

Chord Length: basic concepts

Where to find the base of the lectures?

What orthograms for schoolchildren?

We spend a cool hour "Healthy Lifestyle"

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