Experiment can make sure that plants emit carbon dioxide when breathing.
Place one of the houseplants on the glass and place a glass of lime water next to it.
Then we cover the plant with a glass cover and place it in a dark cabinet.
After a day, the lime water in the glass will become cloudy, which indicates that a large amount of carbon dioxide has formed under the hood.
Conclusion: green plants emit carbon dioxide.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.