https://padlet.com/farauz1604/vxrbe4yelrpt Hecho con una mente curiosa en-us 2018-09-20 12:38:14 UTC 2024-11-28 18:28:54 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Apple.png farauz1604 https://padlet.com/farauz1604/vxrbe4yelrpt/wish/283861115 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 12:40:00 UTC https://padlet.com/farauz1604/vxrbe4yelrpt/wish/283861115 farauz1604 https://padlet.com/farauz1604/vxrbe4yelrpt/wish/283861552 An air pollutant is a material in the air that can have adverse effects on humans and the ecosystem. The substance can be solid particles, liquid droplets, or gases. A pollutant can be of natural origin or man-made. ]]> 2018-09-20 12:40:50 UTC https://padlet.com/farauz1604/vxrbe4yelrpt/wish/283861552 farauz1604 https://padlet.com/farauz1604/vxrbe4yelrpt/wish/283863252 2018-09-20 12:44:07 UTC https://padlet.com/farauz1604/vxrbe4yelrpt/wish/283863252 farauz1604 https://padlet.com/farauz1604/vxrbe4yelrpt/wish/283864179 2018-09-20 12:45:53 UTC https://padlet.com/farauz1604/vxrbe4yelrpt/wish/283864179 farauz1604 https://padlet.com/farauz1604/vxrbe4yelrpt/wish/283864741 The air pollution is bad for the persons because is a bad gas in the atmosphere.]]> 2018-09-20 12:46:55 UTC https://padlet.com/farauz1604/vxrbe4yelrpt/wish/283864741