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Causes  of the greenhouse effect


        1.  Burning of fossil fuels.
            Burning fossil fuels releases carbon dioxide gas. With the
            increase in population, the utilization of fossil fuels has
            increased. This has led to an increase in the release of
            carbon dioxide gas in the atmosphere.

        2.  Deforestation.
        Plants and trees take in carbon dioxide and release oxygen.
        Due to the cutting of trees,

        there is an inconsiderable increase in the level of carbon dioxide gas which increases the
        earth’s temperature.


            3.  Fertilisers.
            Nitrous oxide used in fertilizers is one of the contributors to the greenhouse effect in the
            atmosphere.

                                                 4.  Industrial waste.
                                                 The main causes of acid rain are sulphur and nitrogen
                                                 particles which get mixed with the wet components of
                                                 rain. These particles when mixed with water in clouds
                                                 results in the formation of sulphuric acid and nitric acid
                                                 and comes down as rain. The major sources of these
                                                 gases are emissions from vehicles and factories.
                                                 Industries and vehicles produce harmful gases that are
                                                 released in the atmosphere.






        Effects of Greenhouse Effect.
            Some of the major effects of increases greenhouse gases are:
            a.  Global Warming
                It  is  the  phenomenon  of  gradual  increase  in  the  average  temperature  of  the  earth's
                atmosphere. The main cause of this environmental issue is that increased volumes of
                greenhouse  gases  such  as  carbon  dioxide  and  methane  released  by  the  burning  of
                fossil fuels, emissions from the vehicles, industries, and other human activities.

         Effects of Global Warming
                The major effects of global warming are.
                           i.  Melting glaciers, early snowmelt, and severe droughts will cause
                              more dramatic water shortages.
                       ii.    Rising sea levels will lead to coastal flooding. And the coastal areas will
                              be submerged under the water.
                      iii.    Forests, farms, and cities will face heat waves, heavy downpours, and
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