China has a poor Eco system because of all the waste and bacteria in the water and air hence the reason it smells so bad there.
I dont know if this is a true or false question but im going to go with false because anything you do that is physical is consider a exercise because you are using your body the muscles in your body to do physical things so basically doing physical activities is consider an exercise
Your pulse can show you so much things! You can try to detect murmurs, or irregular heart beats, or you can see if your heart rate is in a healthy zone.
