Simple. Take oxygen and leave carbon dioxide. Take protein, fat and leave urea.
22:25, 30 April 2012
(1) An image which has been turned upside down, with ...
The Great Blue Hole is a large underwater sinkhole off the ...
Occurs when solid, liquid, or gaseous volcanic materials ...
A tornado is a violently rotating column of air that is in ...
GOOS, co-sponsored by IOC/UNESCO, WMO, UNEP and ICSU, is a ...
Swamp is an area which is flooded or drenched with water ...
0
用語
グロッサリ
7
フォロワー
107
6
3
2
1
10
22
15