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