Answer:
by refusing to drink alcohol
Try using the internet. It can be very useful at times.
Explanation:
some examples include;
1) eradication of polio (positive)
2) prematurely born children now have a very high chance of survival due to the advanced facilities such as incubators (positive)
I'm pretty sure it's 1. perform movements with the full range of motion. I hope this help have a nice day.