In your opinion, is it important to have water filters to provide healthier drinking lives to people? Why or why not?

Yes it's important specially you live in asian or african county. thought it's compulsory to have filter anywhere because filter are manufactured such a way that it can purify minute partical and microorganisms.

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.