2006-09-29 10:42:32 · 11 answers · asked by ksanges78 1 in Home & Garden ➔ Other - Home & Garden
COME ON even My 2 year old knows that one. you had better pay more attention in class.....Ox......
2006-09-29 14:16:30 · answer #1 · answered by Jack 5 · 0⤊ 0⤋
Oxygen
2006-09-29 17:49:36 · answer #2 · answered by First Lady 7 · 1⤊ 0⤋
we breathe in the oxygen produced by plants that in turn take in the carbon monoxide? i think that is what it is called that we breathe out...hmm cant remember that word, there are so many similar to it.
2006-09-29 17:50:15 · answer #3 · answered by Jen L-Baby #1 due Nov 15, 2010 ! 3 · 0⤊ 0⤋
O2...oxygen, you exhale CO2 which is what plants use...and O2 is a by product of plant respiration
2006-09-29 17:51:44 · answer #4 · answered by C K 3 · 0⤊ 0⤋
we breathe in oxygen and produce co2, plants take in co2 and produce oxygen
2006-09-29 17:51:02 · answer #5 · answered by NNNIA 2 · 0⤊ 0⤋
O2
Oxygen.
2006-09-29 17:51:15 · answer #6 · answered by Anonymous · 0⤊ 0⤋
Do your own homework and put your homework questions in the homework category where they belong! GEEZ
OXYGEN!!!
2006-09-29 17:49:57 · answer #7 · answered by startwinkle05 6 · 0⤊ 0⤋
oxygen
2006-09-29 17:46:12 · answer #8 · answered by beautifulstars 2 · 1⤊ 0⤋
OXYGEN....who doesn't know that? seriously people...
2006-09-29 17:51:39 · answer #9 · answered by Kristin 3 · 0⤊ 0⤋
oxigen
2006-09-29 17:50:04 · answer #10 · answered by Anonymous · 0⤊ 0⤋