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1. About 30% of the radiation that we receive from the sun at the upper atmosphere is reflected back into space. The rest of 70% is absorbed by clouds, oceans and land masses here on Earth. Even in these conditions, the energy that our planet gets from one hour of sun exposure is [...]

Acid rains are known world-wide as something “bad” and of course, polluting. But here’s your chance to learn a bit more about these phenomena and maybe help prevent them one day.
The phenomena basically cover all kinds of acidic precipitation, meaning rain, fog, snow and they usually form due to the human emissions of sulfur and [...]