What is the most significant reason for the dramatic increase in expected life span over the last 100 years? * better living habits improved surgical techniques the development of antibiotics and immunizations a decrease in the number of people living in poverty

Charlie is easily winded during soccer practice and wants to improve his cardiorespiratory fitness. which activity would be best for him to choose? lifting weights walking from one class to another running in a 5k race riding a bike at a leisurely pace

Select the correct answer mike tells his teacher that he fears wetting his bed and feels that he should run away from home. what could be the probable cause of mike's fears? a mike could be throwing a tantrum. b. mike could be facing abuse from his parents. c. mike could be disobedient. d. mike could be neglected by his parents

What is the hormone in your brain that makes you feel happy?