These systems rely on a carefully selected balance of plants and microorganisms to produce food, purify the water supply and create oxygen from the carbon dioxide the inhabitants expel by breathing.
(These systems; rely; on a carefully selected balance of plants and microorganisms; to produce food, purify the water supply and create oxygen from the carbon dioxide) Context(These systems rely,List([0, 18))):(These systems; rely on a carefully selected balance of plants and microorganisms to produce; food) Context(These systems rely,List([0, 18))):(These systems; rely on a carefully selected balance of plants and microorganisms to purify; the water supply) Context(These systems rely,List([0, 18))):(These systems; rely on a carefully selected balance of plants and microorganisms to create; oxygen; from the carbon dioxide) (the carbon dioxide; expel; by breathing)
These systems rely,List([0, 18)) These systems rely,List([0, 18)) These systems rely,List([0, 18))
These systems These systems These systems These systems the carbon dioxide
rely rely on a carefully selected balance of plants and microorganisms to produce rely on a carefully selected balance of plants and microorganisms to purify rely on a carefully selected balance of plants and microorganisms to create expel
on a carefully selected balance of plants and microorganisms to produce food, purify the water supply and create oxygen from the carbon dioxide
food
the water supply
oxygen from the carbon dioxide
by breathing