1. <span>Sahel
2. </span><span>Kalahari
3. </span><span>Mount Kilimanjaro
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Political if you are talking about where the country meet another and its a natural boundary if it is physical like a river or mountain range
Answer:
biosphere
atmosphere
lithosphere
hydrosphere
Explanation:
These spheres are closely connected. For example, many birds (biosphere) fly through the air (atmosphere), while water (hydrosphere) often flows through the soil (lithosphere). In fact, the spheres are so closely connected that a change in one sphere often results in a change in one or more of the other spheres.
