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pollution
Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of chemical substances or energy, such as noise, heat or light. Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants. Pollution is often classed as point source or nonpoint source pollution. In 2015, pollution killed 9 million people in the world.
Major forms of pollution include: Air pollution, light pollution, littering, noise pollution, plastic pollution, soil contamination, radioactive contamination, thermal pollution, visual pollution, water pollution.
about us
Puzzlefactory is a place where you can infinitely play assembling online jigsaw puzzles and create new puzzles from your own pictures. Finally you can make interactive puzzle from a photo of your pet or favourite movie and send it to your friends. Please note this site is mainly for children so all improper and unlawful pictures will be removed. For more information please read our terms of use. More about us...
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