Comic - Science - part 3
نص القصة المصورة
- And, how does radiation work?
- Well, let me explain you with an example: the energy from the sun travels to Earth by electromagnetic waves, there are different types. Some of this energy is trapped by the greenhouse gasses, and some is released back into space, making earth a good place for life to happen
- And is radiation the only method of heat transfer in terms of environment?
- No, convection is also involved in climate. because the distribution of the energy happens because of airflows and waterflows. The solar energy gets to earth mostly to the Ecuator, and its distributed all the way to the poles by storm clouds, which go up because of convection
- But if heat is distributed, then why are there different temperatures all around the Earth?
- When the heat travels to the north and the south it looses heat on its path, so at the end is much colder than at the beginning
- Hmm...
- However, if more radiation enters the atmosphere and doesn't get out because of the greenhouse gasses, the temperatures rise all around the world
- And how are the greenhouse gasses affected?
- Humans released a lot of greenhouse gasses into the atmosphere, which increased the amount of them in the atmosphere.
- What caused it?
- Human activities. They altered some biogeochemical cycles like the carbon, nitrogen and water cycle, producing the rise of temperatures and other consequences within it
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