Fossil fuels release carbon dioxide, nitrogen dioxide, sulfur dioxide, carbon monoxide etc. when burnt that can have severe consequences on the habitats. They are non-renewable sources of energy as they are derived from pre-historic fossils and won’t be available once they are fully used. Their sources are limited and they are depleting at a faster rate.
The is the tundra because <span>The soil in any tundra is all permafrost. Permafrost is soil that has been frozen. Permafrost can form in any place in the world the soil just has to be moist and the conditions must be cold.</span>
They are different isotopes for oxygen two of te three most stable isotopes ( 16,17,18)
Each different isotope contains different amounts of Neutrons
16 contains 8
17 contains 9
18 contains 10
In the end the only difference is quantity of neutrons and which is most stable