After a vigorous workout without consuming significant amounts of water, the specific gravity will have a higher concentration. A vigorous workout increases the breakdown of glucose, without enough water to flush it out it remains in the urine;meaning specific gravity will be high because of the of the high glucose content.
In order to create bio mass you must distill certain plants, and you must have those plants. So it is limited because if you don't have plants then you can't create biomass. Let's say all plants go extinct then you wouldn't be able to create anymore biomass
I believe it is called a Frameshift Mutation. Hope this helps :^)
