If a photosynthesizing plant releases oxygen containing more than the normal amount of 18O, it is concluded that the plant has been supplied with:
Correct answer: B. H2O containing 18O
- A. C6HI2O6 containing18O
- B. H2O containing 18O
- C. CO6 containing 18O
- D. Oxygen in the form of ozone
Explanation
If a photosynthesizing plant releases oxygen containing more than the normal amount of 18O, it is concluded that the plant has been supplied with H2O containing 18O.
Last updated