1我想知道matter与substance在化学上意思的区别,我的书里面有这么几句"The world around us is made up of matter.Matter is anything that occupies space and has mass.Everthingwe see,touch,taste,or smell is matter.""One particular type of matter is called a substance .Iron,water and air are exam...
Air is a substance.(The Early Years: Resource and conversation on PreK to 2 science)Ashbrook, Peggy
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 ...
Become a member to see contact information for The Substance (2024): Beauty Is a Beast. Try IMDbPro Premium for free Cast Filmmakers Images Videos Details Air dates Companies News Cast + Add Cast 0 cast members Contribute to this section by adding a cast member ...
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
(a) Air is a mixture ofnumber of gases. (b) During the monsoons,alum crystalis swirled through drinking water. (c)Camphor or naphthalene ballis a sublimating substance. Similar questions Q. Fill in the blanks. (a) During conduction, particles of the substance ……… their place. (b...
A different interpretation is possible when the actual amount of information acquired by the user is taken into account. 2015年12月四级真题(第一套)阅读 Section A A drug is a chemical substance. 2015年12月四级真题(第二套)听力 Section C A drug user is the person who takes the drug. 2015年...
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