It destroyed the Russian economy, but freed many nations that were behind its Iron Curtain. But thanks to Vladimir Putin, the Russian economy is doing better than it has been in many years. Oh, it also "ended" the Cold War.
I think it's the first one and the third one. Not completely sure though.
The natural cycle that would have a direct effect of burning of fossil fuels would be the carbon cycle. <span>The </span>carbon cycle<span> is the biogeochemical </span>cycle<span> by which </span>carbon<span> is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth. Hope this answers the question.</span>
It slooowwwwssss down... the colder the slower.