Methods and results
Explanation:
Methods helps us with knowing the approach to the study and the method used for an experiment
Results tell us what type of data was collected which will help us determine the type of research study.
Answer:
Healthy fingernails are smooth, without pits or grooves. They're uniform in color and consistency and free of spots or discoloration. Sometimes fingernails develop harmless vertical ridges that run from the cuticle to the tip of the nail. Vertical ridges tend to become more prominent with age.