6.how do call the characteristics that is measured by hand?
a. Porosity
b. Texture
c. Elasticity
b. Density
7.It refers to the diameter, or actual size of each hair. It also includes feel of the hair, whether it is fine, medium, or course.
a. Porosity
b. Texture
c. Elasticity
d. Density
8. What do you call the ability of the hair to stretch and return to its normal length can be measured by hand, although it is difficult to determine the exact level of elasticity?
a. Porosity
b. Texture
c. Elasticity
d. Density
《please answer correctly》
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Answer:
1a
2b
3d
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