The spinning of Earth on its axis is Earth's rotation.
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An energy system is a system primarily designed to supply energy-services to end-users.[1]:941 Taking a structural viewpoint, the IPCC Fifth Assessment Report defines an energy system as "all components related to the production, conversion, delivery, and use of energy".[2]:1261 The field of energy economics includes energy markets and treats an energy system as the technical and economic systems that satisfy consumer demand for energy in the forms of heat, fuels, and electricity.[1]:941
<span>Geography and their environment are very influential on a region’s economic activity. For example, most major U.S. cities, including New York City, Chicago, and Boston, are all located near water. This is because when these cities were founded, water was the main mode of transportation. The environment also has many economic consequences, including the type of crops that can be grown and whether or not different activities can take place outdoors.</span>
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La géographie humaine ou anthropogéographie est la branche de la géographie qui étudie les personnes et leurs communautés, leurs cultures, leurs économies et leurs interactions avec l'environnement en étudiant leurs relations avec et à travers l'espace et le lieu.
