In hydrogen cycle _________ is a sink used.(a) Ocean(b) Fossil fuels(c) Microbial soil uptake(d) Nitrogen fixationThis question was posed to me in a national level competition.The above asked question is from Various Cycles of Environment topic in section Other Major Topics in Civil Engineering of Basic Civil Engineering

In hydrogen cycle _________ is a sink used.(a) Ocean(b) Fossil fuels(c

1.	In hydrogen cycle _________ is a sink used.(a) Ocean(b) Fossil fuels(c) Microbial soil uptake(d) Nitrogen fixationThis question was posed to me in a national level competition.The above asked question is from Various Cycles of Environment topic in section Other Major Topics in Civil Engineering of Basic Civil Engineering
Answer» The correct answer is (c) Microbial soil UPTAKE For EXPLANATION I would SAY: There are mainly 2 sinks USED in hydrogen cycle – oxidation by hydroxyl radicals and microbial soil uptake. The rest of the options are sources.

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