Q.Fill in the blanks with appropriate words: (dust, atmosphere, mixture, motion, dissolved, oxygen). 1. Air is not one substance but a ……….. 2. When air is in ………. it is called wind. 3. Our earth is surrounded by ………... 4. The aquatic animals use ………. oxygen...
Basic connectivity over land, maritime, air and cyberspace is in place, laying solid foundations for deeper cooperation in trade and industrial capacity, and strengthening cultural and people-to-people exchanges. 经济走廊和国际通道建设卓有成效。共建国家共同推进国际骨干通道建设 ,打造连接亚洲各次区域以及...
相关知识点: 试题来源: 解析 Gas The question asks for a noun that describes any substance like air that is neither solid nor liquid. Air is a gas, and gases are neither solid nor liquid. Therefore, the answer is gas.反馈 收藏
Air is not a pure substance because it is a homogeneous mixture of different substances. Air is a homogeneous mixture because air is a thoroughly...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough ...
The article presents a science experiment to help students experience the air's mass and the force it can exert on objects. A list of materials is provided, along with safety precautions, specific procedures and discussion topics. It also provides sugge...
根据英文释义写出单词 a simple chemical substance that is found in water, and also exists as a gas which is lighter than air
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This is a mild tobacco. 这是一种味淡的烟. 《简明英汉词典》 Shakespeare is a giant among writers. 莎士比亚是作家中的巨擘. 《简明英汉词典》 When there is solar halo , it will rain; when there is lunar halo , it will blow. 日晕而雨, 月晕而风. 《简明英汉词典》 The matter in your ess...
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The main classifications of matter include the categories element and compound, either of which may also be called a substance (which is a less specific term), and mixture, of which there are also many sub-categories.Definition of a (Chemical) Mixture:...