What is the range of y+ in the viscous sub-layer?

1.	What is the range of y⁺ in the viscous sub-layer?
A.	0<y<sup>+</sup><20
B.	0<y<sup>+</sup><5
C.	0<y<sup>+</sup><10
D.	0<y<sup>+</sup><15
Answer» C. 0<y<sup>+</sup><10

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