Respuesta :
I believe the answer is Do the plants have any poisonous parts?
The question asking for the most important safety consideration when planning to grow plants in a classroom. The amount of sunlight and plant food has no correlation with safety as it only related to the plant growth. Who will take care of the plants also have no direct relation with safety. If the plant has poisonous part, it might be dangerous and could threaten the safety of the class.