Which among the following is the correct sequence of the various layers of the Atmosphere from the Earth's surface?
Correct answer: C. Troposphere, Stratosphere, Mesosphere, Ionosphere
- A. Ionosphere, Mesosphere, Stratosphere, Troposphere
- B. Mesosphere, Stratosphere, Ionosphere, Troposphere
- C. Troposphere, Stratosphere, Mesosphere, Ionosphere
- D. Troposphere, Ionosphere, Stratosphere, Mesosphere
Explanation
The commonly taught order upward is troposphere, stratosphere, mesosphere and then the ionosphere region. The ionosphere is not a sharply separate layer because it overlaps mainly with the upper atmosphere, but option c gives the intended sequence.
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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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