The ozone layer is at height of________kilometers from the surface of the Earth?
Correct answer: B. 20 to 30
- A. 10 to 20
- B. 20 to 30
- C. 30 to 40
- D. 40 to 50
Explanation
The ozone layer is concentrated mainly in the stratosphere, approximately 20 to 30 kilometres above Earth's surface. Ozone is most abundant around 15 to 35 kilometres, so this option is the standard approximate range.
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Environmental science covers ecosystems, food chains and webs, energy flow, biogeochemical cycles, biodiversity, natural resources and population effects. Atmospheric study includes the layers and composition of air, weather and climate, greenhouse gases, global warming, ozone depletion, acid rain and pollution, with climate change distinguished from ordinary weather variation.
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