He momo haurehu, ka hangaia ki te waro (C) me te hāora (O). Ko te CO2 tōna tohu, e mea ana e rua ngā ngota hāora e hono ana ki te ngota waro kotahi (O=C=O). Ka puta te hauhā i te tukupūngao a te rauropi, i te popo haere o te pararopi, me te kainga o te koranehe e te ahi. He tae-kore, he kakara-kore te hauhā, koia hoki tētahi o ngā haurehu o te kōhauhau.
A gas which is made from carbon (C) and oxygen (O). Its symbol is CO2 which indicates there are two oxygen atoms bonded to each carbon atom. Carbon dioxide is produced by the process of respiration in living organisms, through decomposition of organic waste, and the burning of fossil fuels. Carbon dioxide has no colour or odour, and is one of the gases present in the atmosphere.
hau (haurehu) - gas
hā (whakahā) - emit breath
waro hāora-rua
kāpona ōkai-rua (kupu mino)