2 Minutes Examine the following series of chemical reactions. Use the chemical symbols presented below to identify each element or compound. What atmospheric phenomenon is being described in the three steps shown? Click on the best answer. Cl + O3==>ClO + O2 ClO + O==>Cl + O2 NET RESULT IS: O3 + O==>2O2 HINT: Cl = chlorine, O2 = oxygen, O3 = ozone A) Photosynthesis B) Animal Respiration C) Anaerobic decay D) Breakdown of ozone as a result of CFCs in the atmosphere.

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