Denise organize a five-mile walk to raise money for a good cause, the brain injury association. denise's work is an act of
a) altruism. b) egocentrism. c) proactive behavior. d) empathy.

(A) Altruism

Explanation:

Altruism according to dictionary meaning is defined as a disinterested and selfless concern for the well-being of others. When and individual or a group does everything it can to assist others in need of help( whatever form, mainly charity), the individual or group is said to have exhibited an act altruism.

Altruism is an act that should be encouraged in our society and individuals should undertake such tasks as it will not just benefit those at the receiving end, but will also benefit the society at large and in the process make the world a better place.

When Denise decided to help raise funds for the brain injury association he exhibited an act of altruism.