Why is the first step for responding to life-threatening situations to assess the situation?

Before initiating first aid, the provider needs to assess the situation. If the environment is hazardous, steps may need to be taken before first aid may commence. Effective first aid will not be possible, if either the provider or the victim is in danger of further injury. Only after ensuring that first aid can be provided safely should care actually be provided.

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.