The chemical breakdown of enormous quantities of organic material buried in the sedimentary rocks has produced ethane gas.
Answer:
Natural sources include decomposition, ocean release and respiration. Human sources come from activities like cement production, deforestation as well as the burning of fossil fuels like coal, oil and natural gas.
Explanation:
I think it's reactivity. but i'm not sure.
Answer:
It was called MANURE
Explanation:
Its a type of fertilizer which plant are ploughed back into the soil.
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