How do cfc's damage the ozone layer?

The CFC’s damage the Ozone layer by breaking down the molecules that make up the Ozone layer.

Explanation:

The ultra-violet rays radiated by the sun react with the chlorofluorocarbons to release "free chlorine atoms" in the atmosphere. These free chlorine atoms react with oxygen from the ozone to form diatomic or molecular oxygen. This process continues and further destroys the ozone layer resulting in its depletion. The ozone molecules are capable of keeping harmful UV rays away from the earth's atmosphere. But the molecular oxygen fails to do that, thus allowing harmful UV rays to enter the earth's atmosphere.

Mantle convection is the process that drives plate tectonics. the theory of plate tectonics states that the crust is divided into plates that float on the semi molten mantle below. the circular motion of the magma as it slowly rises and falls or move though convection cells drags the plates along causing them to move. the heat source in the lamp would represent the earth's core. the core is the source of energy that drives convection in the mantle. the lava represents molten magma under the earth's surface. if the lava lamp had floating pieces they would move as the circular motion of the lava in the lamp as it rises and falls would move them along the surface. these floating pieces would represent pieces of the earth's crust. 

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