In the experiment, we stir the mixture. What's the meaning of "stir"? A. mix quickly B. add slowly C. pour carefully D. empty quickly 相关知识点: 试题来源: 解析 A。“stir”的意思是搅拌,与“mix quickly”意思相近。选项 B“add slowly”是慢慢添加的意思;选项 C“pour carefully”是小心...
Air is not just one gas. It is a mixture of different gases. Because we can't see the gases in the air, it is difficult to think about them.There are four main gases in the air: oxygen (氧气), nitrogen (气). carbon dioxide (二氧化碳)and argon().If 1,000 dots can represent ...
To ensure the high standards of facilities we need to build new wards, laboratories and consulting rooms. In short, we need your help now. Complete the coupon today and rest assured that your donation is going to the best possible cause. 4. Where is the piece of text taken from? A. an...
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Meaning Combined, not separate; also, diverse To combine things; the act of combining 13 Usage Example The salad was mixed well. Mix the salad ingredients. 11 Tense Past participle and past tense of "mix" Present tense; also a noun 10 Associated With Result or state Action or potential 5...
a mixture is a compound made up of two or more chemical components that are not chemically linked. a mixture is a physical blend of two or more substances that preserve their identities and are blended in the form of solutions, suspensions, or colloids. table of contents what is a mixture...
The meaning of WHATABOUTISM is the act or practice of responding to an accusation of wrongdoing by claiming that an offense committed by another is similar or worse; also : the response itself —called also whataboutery. How to use whataboutism in a sent
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The term reagent is commonly used in chemistry. What does it mean? What is the meaning of the term "proton" as used in chemistry? Is brass metal classified as a pure substance (element or compound) or a mixture? Explain. What is an indicator of chemistry? How is this for a definit...