The water cycle is a closed system, meaning no water enters from beyond the system nor leaves the system. What does that say about the importance of keeping the water on Earth free from pollution? If we do not keep our water free from pollution, the water will get dirty and eventually ...
Nitrogen cycle The process of converting nitrogen into compounds that can be used by plants and animals Uses for Nitrogen Used in Genetic Material and Proteins Carbon cycle the movement of carbon from the nonliving environment into living things and back ...
Water Cycle 點擊卡片即可翻轉 👆 1 / 21 建立者 Karen_Ashworth3老師 分享 探索生物學的奧妙 從細胞到生態系統,為生物學的重要主題獲取容易理解的說明與實例。按照自己的步調,學習少量且經過驗證的內容。學習生物學 學生們也學習了 學習指南 Climate and Phenology 10個詞語 reneekillough預覽 Vocab 1 15個詞...
cycle 3 plant 4 carbon dioxide and oxygen cycle 不知道嗎? 本學習集中的詞語(9) gas state of matter where atoms are spread out and move around freely oxygen gas that is produced by plant from photosynthesis and is used by animals for respiration cycle a constant chain of events with no be...
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