Explain why science can answer some questions, but not others?

The mentor is usually a peer of the individual that acts as a role model and the individual get started in adult life.

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

Abookcase has a mass of 38 kg and the coefficient of friction between it and the floor is 0.82 what is the maximum force of friction between the bookcase and the floor a 372n b 305n c 412n d 449n