https://padlet.com/alcachopha123/s85ctmfypzox en-us 2018-09-20 12:07:44 UTC 2024-11-30 09:27:29 UTC hello@padlet.com alcachopha123 https://padlet.com/alcachopha123/s85ctmfypzox/wish/283846248 Pollution is the introduction of contaminants into the natural environment that cause adverse change. ]]> 2018-09-20 12:10:08 UTC https://padlet.com/alcachopha123/s85ctmfypzox/wish/283846248 alcachopha123 https://padlet.com/alcachopha123/s85ctmfypzox/wish/283854757 2018-09-20 12:27:50 UTC https://padlet.com/alcachopha123/s85ctmfypzox/wish/283854757 alcachopha123 https://padlet.com/alcachopha123/s85ctmfypzox/wish/283855865 Water pollution is the contamination of waterbodies, usually as a result of human activities.]]> 2018-09-20 12:29:49 UTC https://padlet.com/alcachopha123/s85ctmfypzox/wish/283855865 alcachopha123 https://padlet.com/alcachopha123/s85ctmfypzox/wish/283857879 2018-09-20 12:33:20 UTC https://padlet.com/alcachopha123/s85ctmfypzox/wish/283857879 alcachopha123 https://padlet.com/alcachopha123/s85ctmfypzox/wish/283858871 2018-09-20 12:35:25 UTC https://padlet.com/alcachopha123/s85ctmfypzox/wish/283858871 alcachopha123 https://padlet.com/alcachopha123/s85ctmfypzox/wish/283861420 Air pollution occurs when harmful or excessive quantities of substances including gases, particulates, and biological molecules are introduced into Earth's atmosphere.]]> 2018-09-20 12:40:34 UTC https://padlet.com/alcachopha123/s85ctmfypzox/wish/283861420 alcachopha123 https://padlet.com/alcachopha123/s85ctmfypzox/wish/283863726 Radioactive contamination, also called radiological contamination, is the deposition of, or presence of radioactive substances on surfaces or within solids.]]> 2018-09-20 12:44:59 UTC https://padlet.com/alcachopha123/s85ctmfypzox/wish/283863726