The disease can mutate to avoid the diagnosis and/or medication given to treat the disease.
Mature gametophyte plant.
Answer:
Option B, O2
Explanation:
It is because the oxygen released during the process of photosynthesis comes from the water absorbed by the roots and not by the CO2containing heavy oxygen (18O). In fact oxygen from CO2 containing heavy oxygen (18O) is used in making sugar which is then stored for energy.
Hence, option B is correct
Rice beans, meat, pasta, corn
