The passage implies that cellulose is a very porous substance because it contains______. A．a substance that creates pressure B．millions of tiny holes C．a substance that dissolves it D．liquid medicine

The physical properties are those properties of a substance that can be observed with changing the substance into other substances.

Plasma clearance is referred to Renal clearance of a substance is the volume of plasma that is completely cleared of the substance by the kidneys per ______ .

The physical properties are those properties of a substance that can be observed with changing the substance into other substances. A: 正确 B: 错误

名词：原油，a mineral oil obtained from below the surface of the Earth, and used to produce pertrol , paraffin , and various chemical substance._________________.

Which of the following () may not be interested in science and technology A: The substance facing a resource shortage B: The substance with an increasing uses C: The substance whose anthropogenic flow is closely related to other substances D: None of the above

substance的词性是:

We<br/>can get a new substance if we _____ a chemical substance with others. A: incorporate B: insert C: obtain D: deprive

Fuel is (any) substance or material (that reacts) chemically (with) another substance or material to produce (hot). A: any B: that reacts C: with D: hot

Substance Painter软件主要用来( ) 。