How many layers of Atmosphere?
Correct answer: D. 5
- A. 2
- B. 3
- C. 4
- D. 5
Explanation
The atmosphere is conventionally divided into five layers: troposphere, stratosphere, mesosphere, thermosphere and exosphere. Some classifications combine layers or add subdivisions, but five is the standard school-level answer.
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About Environment and Atmosphere
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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