Dr Rajiv Desai
An Educational Blog
THE ENVIRONMENTAL POLLUTION
THE ENVIRONMENTAL POLLUTION: The universe has billions of galaxies and every galaxy has billions of stars and the SUN is also a star and our Earth is one of the planets of the sun.Only the earth in the solar system has life because of water,oxygen rich atmosphere and suitable temperature.Atmosphere has many gases including nitrogen-N(78%);oxygen-O2(21%);carbon dioxide-CO2(0.03%)etc.. The sun-energy is trapped by the photosynthesis in plants. Plants——-Co2+water+sun-energy=O2+sugar Animals——O2+sugar=CO2+water+energy…. ENVIRONMENT is defined as the sum total of all external factors,both living and non-living; to which an organism is exposed and which affects the growth,development and survival of the organism. Living factors to the human being are viruses,bacteria,plants,animals,fellow humans etc. Non-living factors are air,water,soil,sound,temperature,light,etc. Pollution is defined as undesirable changes in the natural environment brought by the human beings which adversely affects the living organisms. Pollutions are of many types including air pollution,water pollution,soil pollution,thermal pollution,radioactive pollution,noise pollution etc. Climate change is defined […]
