This simply means, when thinking about issues hat face the world today, instead of thinking about little issues that bug you or your town, think about issues affecting everyone in their daily lives, such as daylight savings and global warming. By acting locally, this means completing tasks no matter how big or small within your local area to help face these global issues. For example, acting against global warming on a local scale would be simply to educate the town or city as to what it is and how it can be prevented. Knowledge is power.
The body shivers, shivering is something your body does in oder to keep warm. It is moving the muscles around, and trying to heat you up.
C. These activities are appropriate because they make the leg muscles more flexible.
