A) the whole mass of air surrounding the Earth B) ground level smoke and fog C) a colorless gas D) anything that has to do with breathing, taking in oxygen and releasing carbon dioxide
A) something that is poisonous or deadly B) visible emissions from a smoke stack or chimney C) impurities in the air, water and land that create an unclean environment D) an element that pollutes
A) the second layer of the Earth's atmosphere from the Earth's surface B) the layer of the Earth's atmosphere that is closest to the Earth C) the whole mass of air surrounding the Earth D) the combination of all that exists around us which is necessary for us to survive
A) ground level fog and smoke B) visible emissions from a smokestack or chimney C) the layer of the Earth's atmosphere that is closest to the earth D) a colorless gas that is formed when pollutants react with sunlight and that is a major part of smog
A) the visible emissions from a smokestack or chimney B) a colorless gas that is formed when pollutants react with sunlight C) impurities in the air, water and land that create an unclean environment D) something that is poisonous or deadly
A) ground level fog and smoke B) something that is poisonous and deadly C) an element that pollutes D) a colorless gas that is formed when pollutants react with sunlight
A) the whole mass of air surrounding the Earth B) the layer of the Earth's atmosphere that is the closest to the earth C) anything that has to do with breathing and taking in oxygen and releasing carbon dioxide D) the second layer of the Earth's atmosphere from the Earth's surface
A) anything that has to do with breathing and taking in oxygen and releasing carbon dioxide B) the layer of Earth's atmosphere that is closest to the Earth C) the second layer of the Earth's atmosphere from the Earth's surface D) the whole mass of air surrounding the Earth
A) visible emissions from a smokestack or chimney B) an element that pollutes C) impurities in the air, water and land that create and unclean environment D) something that is poisonous or deadly if it is eaten, touched, or inhaled in large enough quantities
A) anything that has to do with breathing and taking in oxygen and releasing carbon dioxide B) ground level fog and smoke C) visible emissions from a smokestack or chimney D) combination of all that exists around us which is necessary for us to survive
A) visible emissions from a smokestack or chimney B) anything that has to do with breathing and taking in oxygen and releasing carbon dioxide C) ground level fog and smoke D) impurities in the air, water and land that create an unclean environment
A) impurities in the air, water and land that create an unclean environment B) ground level fog and smoke C) something that is poisonous or deadly D) coal, oil, and natural gas formed from the remains of ancient plants and animal life |