Answer:
baseball, obstruction is when a fielder illegally hinders a baserunner running within the basepath. Baserunners are generally permitted to run from base to base without being physically blocked or hindered by a fielder.
The second trimester is when the respiratory system is mature.
Answer:Physical activity can also reduce the risk of premature death. ... Helping inactive people become more active is an important step towards better health. ... 4 in 5 of the most costly chronic conditions among adults 50 years or older can be ... you can spread your activity out during the week, so you don't have to do it all at once
