Pls i need help that only a boy can give a honest answer

Why would one lymph node in the neck be swollen and not the other? what causes them to swell?

Effective community programs the individual, the community, organizations, and the government. select the sentence that shows a benefit to organizations. ryan and farah were discussing voluntary work. ryan was very keen to work on health-related issues. he knew that many districts had effective community programs. farah recently read a report about a local community program that reduce the rate of heart diseases by 30 percent. this reduced healthcare costs. local companies also saw productivity increases.

During polarization,potassium has a blank charge,sodium has a blank ch arge ,and calcium has a b l ank. charge