Question

What continent lies under the hole in the ozone layer?

Answer 1

Question:-

What continent lies under the hole in the ozone layer?

Answer:-

Antarctica

• The Earth's atmosphere is continuously stirred over the globe by winds.

• As a result, ozone-depleting gases get mixed throughout the atmosphere, including Antarctica, regardless of where they are emitted.

• The special meteorological conditions in Antarctica cause these gases to be more effective there in depleting ozone compared to anywhere else.

• Human emissions of chlorofluorocarbons (CFCs) and halons (bromine-containing gases) have occurred mainly in the Northern Hemisphere.

• About 90% have been released in the latitudes corresponding to Europe, Russia, Japan, and North America.

Extra Explanation:-

• Gases such as CFCs and halons, which are insoluble in water and relatively unreactive, are mixed within a year or two throughout the lower atmosphere.

• The CFCs and halons in this well-mixed air rise from the lower atmosphere into the stratosphere mainly in tropical latitudes.

• Winds then move this air polewardboth north and south from the tropics, so that air throughout the global stratosphere contains nearly equal amounts of chlorine and bromine.

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Answer 2

Antarctica

The Earth's atmosphere is continuously stirred over the globe by winds. As a result, ozone-depleting gases get mixed throughout the atmosphere, including Antarctica, regardless of where they are emitted.