Final answer:
The supporting surface for storing specimens should be level within 1 degree to ensure accuracy in measurements and analyses.
Step-by-step explanation:
The question is related to the specifications of a surface on which specimens are stored, likely pertaining to an engineering or materials science context where precision and accuracy are crucial. When dealing with the storage or examination of specimens, the surface must be level to ensure accuracy. The correct answer is option (b) 1 degree.