Natural sights including Mt. When the explosion of the volcano, there is a lot of smoke and ashes were released into the atmosphere. A second wildfire. Smoke from forest fires can cause hazard for health and generally rotten and fermentation of organic compounds or inorganic compounds or chemical reactions may cause pollutants to the atmosphere.
Natural sources include volcanoes on the volcanic activity. There will be a lot of ash and smoke being emitted into the atmosphere as a second wildfire smoke from forest fires can cause health hazards. And putrefaction and fermentation of organic or inorganic substances or chemical reactions could cause pollutants to the atmosphere.
Natural sources, including the volcano when an explosion of the volcano. Ash and smoke a lot are released into the atmosphere. Secondly, forest fire, smoke from forest fires can cause harm to health.