Answers

2016-04-28T19:45:35+05:30
When CO2 is absent or low in Concentration, plants uses O2 to carry out photosynthesis.
0
2016-04-29T07:48:55+05:30
Photoresperation is a process in which the plant uses the co2 and sunlight to obtain energy whereas In night the uses the o2 for resperation
0