The atmospheric air is held to the Earth by?
Correct answer: A. gravity
- A. gravity
- B. winds
- C. clouds
- D. rotation of the Earth
Explanation
Earth’s gravity attracts the gases in the atmosphere and keeps them from escaping into space. Winds only move air within the atmosphere; they do not hold it to Earth.
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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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