Question

What is ozone how and where is it formed in the atmosphere explain how does it affect ecosystem.


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Answer 1

its chemical formula is ●3
it is present in stratosphere .
it protects the earth from harmful uv rays.
..
it is produce when O2 atom split by uv rays
o2------>○+○
THEN this oxygen atom combine with o2 to form o3(ozone)
o2+○-------->●3
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Answer 2

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• Ozone is an isotope of oxygen, therefore it is molecule formed by 3 atoms of oxygen.

      O₂  -----------> O + O

O₂ + O  ------------> O₃ ( Ozone )

• Ozone exists in the ozone layer of stratosphere. At higher level of atmosphere, O₂ molecule breaks down to 2 oxygen atom. The oxygen then combines with the oxygen molecule to form ozone. Ozone layer in the atmosphere prevents UV rays from reaching earth. Exposure to excess UV rays causes skin cancer, cataract and damages eye and immune system. It also decreases crop yield and reduces population of phytoplankton, zooplankton and certain fish larvae which are an important constituent of aquatic food chain. It also disturbs rainfall, causing ecological disturbance and reduces global food production.

Thus, it affects the ecosystem.