Which of the following details from is represented by the atomic mass of an element? a. only the neutrons in the atom's nucleus b. only the protons in the atom's nucleus c. the sum of all protons and neutrons in the atom's nucleus d. the sum of all electrons in the atom's electron cloud        im failing 

Read the paragraph. in fact, teenagers contribute a great deal to their community. this is another reason why they must be taken into account when public policy is debated. over eighty percent of teens spend time volunteering at their schools and other organizations. this is an example of statistical analysis layering point of view outlining