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 :)
Use the punnett square to help you. girls are xx boys are xy. they get 50 from mother and 50 from father
A cell is like a factory because it has all the different parts! Tell me if you want more detail,I would be glad to give it!