But what happened to the rice? Do we have to take this pseudoscience as an example?

Are educators too retarded to find a better case to educate children? Are educators too retarded to find a better case to educate children? Are educators too retarded to find a better case to educate children? Do you have to have a hard time with food without thinking about it?

"The educational significance embodied in it"? Refraction what refraction, if you have to refract, can only reflect mental retardation, ignorance and ignorance.

It is the best thing for schools and parents to encourage students to experiment. Even such a stupid experiment is valuable for children to practice it by themselves, but the final conclusion of the experiment is actually this: can't it be: educate students to observe how bacteria and microorganisms decompose organic matter?