Along with sunlight,plants also take in carbon、nitrogen、oxygen、hydrogen.Is it true?
问题描述：
Along with sunlight,plants also take in carbon、nitrogen、oxygen、hydrogen.Is it true?
答
Yes.Plants take in carbon、nitrogen、oxygen、hydrogen by photosynthesis and Nitrogen fixation effect.What is photosynthesis? and what is Nitrogen fixation effect?光合作用和固氮作用