How do mills and factories pollute water? Ans. Myself :Mamun, you know water is very essential for all living things. Mamun : Yes. But it is contaminated in various ways ' Mysell :Mills and factories ore

Air pollution means the contamination of air by smoke, harmful, gases, dust etc. air is a very important element of our environment. no creature can live without air. it is the life giving force. clean

Acid rain is a such kind of rain which contains harmful chemicals . But in severely polluted areas .This rain which is very acid can causes harm to wild life lakes trees building and human life health

Environmental pollution has existed for centuries but only started to be significant following the industrial revolution in the 19th century. Pollution occurs when the natural environment cannot destroy

If there is enough technologies and resources on the planet for all of us to have shelter and food, why are so many people hungry and poor, living in misery, unhappy? Because not all educated people have