Biomass decays and produces gases such as nitrogen and very small amount of helium. in many places it is used to produce energy by comustion.it's mass becomes less and a layer of humus type organic substance is left on the soil....if i'm not incorrect :)
Answer:
A. Mid-ocean ridge. I'm not sure if I'm right.
Increase variation among its offspring.
Ice has less density, which makes it float.
In this item we are given that the methane emission rate will go high due to the foreseen temperature rise cause by global warming. The biogeochemical cycle that will be affected directly through this is the Carbon cycle.
Methane is a compound comprised of one atom of carbon and four atoms of hydrogen. Carbon cycle involves the process in which the carbon dioxide emitted by the organisms will be absorbed by the producers. The carbon which are to be absorbed by producers should come in the form of carbon dioxide.