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The planet Earth is a mixed living and nonliving system. It is the suprasystem of an supranational systems as well as the total ecological system, with all its living and nonliving components.  The Earth is an open system, interacting with its atmosphere and with matter and energy in space.  ЕКО - ПОТРЕБИ Постои голема потреба од позитивно рециклирање на...


Global warming is the term used to describe a gradual increase in the average temperature of the Earth's atmosphere and its oceans, a change that is believed to be permanently changing the Earth’s climate.   The average temperature of the Earth has risen between 0.4 and 0.8 °C over the past 100 years. The increased volumes of carbon dioxide and other greenhouse gases released by the...