If you get a career in any medical field then it's important to know about the functions of the body systems. Knowing about how they work will prepare you for what you need to know when you get that job. Learning these things in school helps prevent you from struggling with your career.
This can be solved by setting up a proportion.
The answer and steps are attached
333.75 mg would be a suitable dose for a 135 lb man.
30 minutes a day is the answer
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.
Random sampling means that members of a 'population' have equal chances of being selected. To carry out this type of sampling, you will need to use a table of random numbers.