A. Oxygen
B. Carbon dioxide
C. Helium
D. Nitrogen
2007-03-08 22:07:27 · 10 answers · asked by lol 2 in Education & Reference ➔ Homework Help
Carbon dioxide.(plants takes in oxygen and let out carbon dioxide.
2007-03-09 04:46:09 · answer #1 · answered by Anonymous · 1⤊ 1⤋
Oxygen
2007-03-08 22:21:09 · answer #2 · answered by jtr8178 2 · 0⤊ 0⤋
Oxygen.
2007-03-08 22:11:08 · answer #3 · answered by sokokl 7 · 0⤊ 0⤋
A. Oxygen
2007-03-08 22:11:22 · answer #4 · answered by Anonymous · 0⤊ 0⤋
B. Carbon Dioxide.
2007-03-08 22:18:31 · answer #5 · answered by prettynpurplet26 1 · 0⤊ 0⤋
Plant often soak up carbondioxide and supply out oxygen in a technique referred to as photosynthesis on a similar time as animals and guy soak up oxygen and supply out carbondioxide in a technique referred to as respiration
2016-12-14 14:39:56 · answer #6 · answered by ? 4 · 0⤊ 0⤋
oxygen
2007-03-08 22:10:14 · answer #7 · answered by Theta40 7 · 0⤊ 0⤋
a. oxygen
2007-03-08 22:26:31 · answer #8 · answered by Anonymous · 0⤊ 0⤋
its a. oxygen
2007-03-08 22:10:27 · answer #9 · answered by AB 1 · 0⤊ 0⤋
a.oxygen
2007-03-08 22:09:12 · answer #10 · answered by Betsy 7 · 0⤊ 0⤋