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pollution - choose a jigsaw puzzle to solve

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.
makes an impression - almost like science fiction
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makes an impression

Added 2 months ago by Elizabeth

62

Superior Wisconsin - Superior, Wisconsin. The population was 27,244 according to the 2010 census. Located at the intersec
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Superior Wisconsin

Added 4 months ago by Jeżyna

74

Landscape - colorful jigsaw puzzle
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Landscape

Added year ago by andi

137

Tragedy - complicated puzzle
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Tragedy

Added year ago by andi

121

pociągwnieznane - mknnnbvfcccxsdfghkol
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pociągwnieznane

Added year ago by iop

18

Polish whirlwind - Polish whirlwind July 2012
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Polish whirlwind

Added year ago by Ludmiła

149 2

grozny wulkan - domy,miasto,góra,dym
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grozny wulkan

Added over a year ago by wieslawa

140

chmura nad morzem - chmura jakaś taka straszna nad morzem idzie
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chmura nad morzem

Added over a year ago by zamieścił EB

390