Question

This region is studied by a satellite instrument called TOMS. This region experiences a seasonal shrinkage in the “austral spring.” (-5[1])The maintenance of this region is explained by the Chapman (15[1])cycle. (15[1])Gordon (15[1]-5[1])Dobson, who used a namesake spectrophotometer (15[1])for measurements in this region, also names a (*) “unit” that measures one particle in this region. The Montreal Protocol phased out the usage (-5[1])of namesake substances that “deplete” this region, (10[1])which (10[1])includes chlorofluorocarbons. (10[1])For (10[1])10 points, name this protective sheet of gas that surrounds the earth (10[1])within the stratosphere, made up of its namesake O3 particles. ■END■ (10[1])

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