Joke Collection Website - News headlines - Is the air quality good in the greener part of the park in the morning or in the evening?
Is the air quality good in the greener part of the park in the morning or in the evening?
In fact, the air around 10 in the morning is the best.
In the morning, because plants breathe all night and release a lot of carbon dioxide, the air is not very fresh.
In the evening, the noise of the day has just ended, and the dust in the air has not settled yet, which is not good. I hope it will be later.
At about ten o'clock in the morning, plants produce a lot of oxygen through photosynthesis, which does not belong to the traffic peak and the air quality is good.
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