The figure above shows two pith balls suspended by threads from a support. in the figure, a. the pith balls are uncharged. b. pith ball 1 is positively charged, and pith ball 2 is negatively charged. c. pith ball 1 is negatively charged, and pith ball 2 is positively charged. d. pith balls 1 and 2 have the same charge.

Who should have a career portfolio, and how often should it be updated? only artists need a career portfolio, which they should update after every gallery show. everyone should have a career portfolio, which they should update daily with their professional activities. all students should have a career portfolio, which they should update ever semester until they graduate. most professionals need a career portfolio, which they should update with regularly with important achievements.