Roald Amundsen, Helmer Hanssen, Sverre Hassel and Oscar Wisting
Through the perspective of geomorphology, geography is a science that has it focus on the origins and evelution of the topographic features and bathymetric features, that have been created under the influence of physical, chemical, or biologic processes that are operating on the Earth's surface, or near the Earth's surface.
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The Same reason the ancient egyptians lived on the banks of the flooding nile. The flood waters push up very fertile soil that is great for growing crops.
The answer that describes how social networking sites help political campaigns, especially when compared to traditional media is stated below:
They enable campaigns to sample public opinion.
Social network has been introduced for a very long time now and politicians had the opportunity to use it in order to make their campaign widen its scope and for the people to be aware of the politician's point of view, missions, and visions.