About air(science)10 points

2007-08-07 7:31 pm
There is a question (F.2)
Breath air containsmore_______________________and_______________________but less______________________than unbreathed air. The temperature of breath air is________________than that of unbreathed air.

回答 (3)

2007-08-07 7:36 pm
✔ 最佳答案
Breath air contains more carbon dioxide and water vapour but less oxygen than unbreathed air. The temperature of breath air is higher than that of unbreathed air.
參考: IS WB
2007-08-07 7:53 pm
Breathed air contains more CARBON DIOXIDE and WATER VAPOUR but less OXYGEN than unbreathed air. The temperature of breathed air is HIGHER than of unbreathed air.
2007-08-07 7:39 pm
(1) Carbon dioxide
(2) Nitrogen
(3) Oxygen
(4) Higher
參考: http://mistupid.com/chemistry/aircomp.htm (Composition of Air)


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