Carbon dioxide, more than 340 ppm and steadily increasing from the burning of foosil fuels and deforestation, is the the waste product of respiration and fuel combustion.
(Carbon dioxide, more than 340 ppm and steadily increasing from the burning of foosil fuels and deforestation; is; the the waste product of respiration and fuel combustion)
Carbon dioxide, more than 340 ppm and steadily increasing from the burning of foosil fuels and deforestation
is
the the waste product of respiration and fuel combustion