I believe that it relates to or involves free oxygen, if it is used in exercise- aerobic practices help improve the the efficiency of the body's cardiovascular system with absorbing and transporting oxygen.
Hope this helps
Answer:
you could learn to live happier,healthier understand the human mind a lot better and how it works you could be saving your life and saving others from sadness if you do have sucidial thoughts if you get mental help it could make you understand why thou have your thoughts and how to train them
Treating a city's water supply to remove any bacteria and impurities as clean and hygenic water supplies benefits the public/society.
Quantitative research<span> is a formal, objective, systematic process in which numerical data are used to obtain information about the world. This </span>research<span>method is used: to describe variables; to examine relationships among variables; to determine cause-and-effect interactions between variables.</span>