Web 2.0 refers to technology that is available on the World Wide Web that requires no technical expertise to create and use. Basically any web-based presentation application would work. Prezi is a popular one.
Community service is extremely important to highlight social agendas in society and to promote justice and support communities and groups that are fragile and marginalized in our country. Participating in this type of activity during high school is essential for the student to understand his role as a socially privileged individual, in addition to having knowledge about social issues and developing his sense of compassion and generosity, since community service is a job that we do it for the people who need it, without receiving anything in return, besides the satisfaction of promoting the good.
However, it is important that this participation is a choice of students. This is because community services need dedicated people who participate in activities out of love for others and concern for the community. A person, who is obliged to participate, will not have these characteristics.
This theme helps develop the theme of equality and freedom in the novel.
Thus far in the novel, Huck has run off with Jim and has begun to realize slavery is morally wrong. He sees Jim is just like him, and that enslaving another person is not right.
When Huck attempts to save the criminals in Chapter 13, he does so because, as he realized with Jim, Huck realizes he is no different from these men. He wonders what happened to bring this men to this situation and thinks that a similar misfortune might befall him one day. He does not want to see any man die, and so he tries to save them.

beowulf asks Hrothgar to allow him and his men alone to drive Grendel from Herot.