Answer:
Which of the following explains the most likely effect this toxin will have on the Calvin cycle? Carbon dioxide will not be converted into carbohydrates. The toxin inhibits RuBisCO from catalyzing the joining of carbon dioxide with RuBP. This prevents carbon fixation, so the Calvin cycle will not occur.
It would be probably be 1, as the recommended would be the average
The abrupt breaking of rocks or explosions, fro example an earthquake or Nuclear bomb.