Dr. Clark asks you to take maxillary and mandibular preliminary impressions on
the next patient for the fabrication of bleaching trays.
1. What impression material will you select to take preliminary impressions?
2. What type of trays will you select for the procedure?
3. How do you know which size tray to use? How are the trays prepared for the
impression material?
4. Describe the setup that is required for taking these impressions.

answer; ///(copd) chronic obstructive pulmonary disease,plz check first ///good luck

absolute strength refers to the maximum force exerted by a body irrespective of body size. relative strength on the other hand is the force exerted by a body in relation to muscle size or body weight.

so the answer is: c. absolute strength measures strength regardless of your body size, while relative strength measures strength adjusted for your weight.