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Standard X
Biology
Ozone Layer Depletion
is the unit o...
Question
______is the unit of measurement of thickness of ozone.
A
Dobson unit
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B
Bar
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C
Pascal
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D
Both a and c
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Solution
The correct option is
A
Dobson unit
Ozone or
O
3
is a molecule made up of three oxygen atoms.
The high concentration of ozone that is found in the stratosphere around 15 – 30 km above the Earth's surface is called the ozone layer.
The harmful ultraviolet radiation from the sun is absorbed by the ozone layer and thus it acts as a shield.
A Dobson unit (DU) is the unit of measurement of ozone in a column of air from the ground to the top of the atmosphere.
Bar and Pascal are units to measure pressure.
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