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