The diagram represents a section of the layered structure of Earth’s atmosphere - HSC - SSCE Chemistry - Question 16 - 2007 - Paper 1
Question 16
The diagram represents a section of the layered structure of Earth’s atmosphere.
(a) Identify the layers of atmosphere labelled X and Y.
X ............................ show full transcript
Worked Solution & Example Answer:The diagram represents a section of the layered structure of Earth’s atmosphere - HSC - SSCE Chemistry - Question 16 - 2007 - Paper 1
Step 1
Identify the layers of atmosphere labelled X
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Answer
The layer of atmosphere labelled X is the Troposphere, which extends up to about 15 km above the Earth’s surface.
Step 2
Identify the layers of atmosphere labelled Y
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Answer
The layer of atmosphere labelled Y is the Stratosphere, which extends from 15 km to 50 km above the Earth's surface.
Step 3
Explain the effect of ozone in layer X
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Answer
In the Troposphere (Layer X), ozone is a pollutant that can harm human health and the environment. It contributes to respiratory problems and can damage vegetation.
Step 4
Explain the effect of ozone in layer Y
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In the Stratosphere (Layer Y), ozone plays a critical role in absorbing the majority of the sun's harmful ultraviolet (UV) radiation. This protective layer prevents UV radiation from reaching the Earth's surface, thus safeguarding living organisms.
