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what is CFCs? Chlorofluorocarbons (Chlorine, Fluorine, and carbon) What is HCFCs? Hydrochlorofluorocarbons (hydrogen, chlorine, fluorine, and carbon) Must See! Eyewitness Captures the Moment a Pair of Male Sea Lions Attack Beach-Goers POSTED 9 HOURS AGO 0:00 / 0:00 What is ASHRAEs? The American Society of Heating Refrigerating and Airconditioning Engineers. A global professional association seeking to advance heating, ventilation, airconditioning and refrigeration systems. What is the greatest effect in the stratosphere? The greatest effect in the stratosphere has longterm effects in our environment which is far removed from Earth's surface. How many oxygen atoms are in one ozone molecule? 3 oxygen atoms What does an ozone molecule do? It protects us from harmful ultraviolet radiation from the sun and helps maintain stable earth temperatures. What problems can come from Stratospheric Ozone Depletion? Crop loss, skin cancer, increase eye diseases such as cataracts and reduced plankton and other microscopic marine life. What causes depletion of the ozone layer? When the CHLORINE of CFCs and HCFCs are released into the atmosphere. if u discover refrigerant is contaminated?? u must recover the mixture in a separate tank How many ozone molecules can be destroyed by a single chlorine atoms? 100,000 ozone molecules What do Chlorine atoms do? Chlorine atoms do not desolve in water, nor break down into compounds that desolve in water. They do not rain out of the atmosphere. What do most HFCs (Hydrogen, Fluorine, and Carbon) have? Global Warming Potential (GWP) What is Ozone Depletion Potential (ODP)? ODP is a measurement of a substance such as CFCs and HCFC's ability to destroy ozone, and ranges from 0 to 1. What has the highest ODP (Ozone Depletion Potential )? CFCs (Chlorine, Fluorine, and carbon) What has an Ozone depletion of 0? HFOs (Hydrogen, Fluorine, and olefins) and HFCs (Hydrogen, Fluorine, and carbon) What are the 2 ways that GHGs (Green House Gases) warm the earth? 1. Absorbing energy 2. Acting like a blanket insulating the earth What is Carbon Dioxide (CO2)? CO2 is a natural gas created through respiration and absorbed through photosynthesis. What are types of fossil fuels? 1. Natural Gas 2. Coal 3. Oil What is the result of too much man-made CO2 and access of GHGs that enter into the atmospheres? 1. Burning Fossil Fuels 2. Solid Waste 3. Wood productions 4. chemical reactions (cement manufacturing)