Question

如图 写一篇英语作文200字左右 最好原创 急需 谢谢！

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Answer 1

Each creature has adapted its living environment, plants are no exception. In the natural environment for the survival of plants, contains several important factors affecting plant growth, such as air (oxygen and carbon dioxide), light, heat, water and inorganic salts (nutrients) and other factors, survival is the lack of greenery one can not do, they are green living conditions. Green plants contain chlorophyll, chloroplast in the role of the sun, the leaves via the stomata into the interior of carbon dioxide and water absorbed by the roots transformed into starch and other substances, while releasing oxygen. Photosynthesis is the sum of a complex series of metabolic reactions, is the basis of biological survival, but also the Earth's carbon - oxygen balance is an important medium.