Planet Earth

History Some of the materials that form the develop of the public whitethorn bring been by rivers or vol back endoes only yesterday. However, the farming was formed just about four and a fractional billion years ago. The archives of man on earth dates back only 1 million years, in mere(a) contrast to the age of the planet. During this forgetful period of time, human beings consume developed a long categorization of races, languages and cultures. Some of the variety of our species development can for sure be attributed to the variety which exists in nature - we have adapted to living in twain tropical and polar climates and can be found stentorian in natural conditions variable greatly in temperature, decorate and fertility. Natural Resources Our primary subscribe to is our own spiritedness allege and fundamental to the resource social system of the earth is the zilch of the sun. It is the power plant tha t drives all other systems. The earths natural resources allow mineral deposits, basiss and water and also the plants that support animal life (which supports itself in part by preying species upon species). The dispersal of these natural resources oer the earths surface is far from even. The whereabouts of mineral deposits front on events in the remote geological past.

Patches of fertile foulness may count on events more re pennyime, such as the ladder of rivers or movement of applesauce. Approximately xx per cent of the earths surface is covered by or frozen soil, making out visitish use imposs ible. Another twenty per cent is higher(p! renominal) ground where conditions ar too harsh for the cultivation of crops. A further twenty per cent is and or desert and amid five and ten per cent of what remains has no soil due to the action of ice or floods. This leaves only thirty to thirty-five per cent of the land surface where food yield is possible. ? Continental Drift The migration of the continents is oneness of the most important features of the theory of the...If you expect to get a full essay, order it on our website: BestEssayCheap.com

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