[Paul Preuss, 510/486-6249, paul_preuss@lbl.gov ] Gas-O-Mat-ic While humans breathe in oxygen and breathe out carbon dioxide, plants do just the opposite.
(humans; breathe; L:in oxygen) (humans; breathe out; carbon dioxide) (plants; do; just the opposite)
humans humans plants
breathe breathe out do
L:in oxygen
carbon dioxide
just the opposite