Discussion
Most common gas linked with gas hydrates is :
Answer: B
The gas most commonly linked with gas hydrates is CH4, methane.
Gas hydrates are ice-like solids in which gas molecules are trapped in cages of water molecules. They form at high pressure and low temperature, in seafloor sediments of continental margins and in permafrost. Almost all natural gas hydrate is methane hydrate, which is why it is studied both as a future energy resource and as a climate risk if it melts.
CO2 can form hydrates, and this is studied for carbon storage, but it is not the common natural one. SO2 and dimethyl sulphide (DMS) are not significant hydrate-forming gases in nature.
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