The forest plants that live on Earth are suited to the characteristics of each region. Trees that live in the […]
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208. The Earth lives through a constant cycle of air, water, and soil.
The Earth is constantly active, and various substances circulate, forming the Earth’s environment. As va […]
続きを読む205． Peace of mind can be learned from life science and natural science.
In order to lead to safety, we have studied mainly biological science to guide human safety. This time, in ord […]
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