When grendels mom found out he was dead what did she do ? how did she take revenge?

After Grendel is killed, Grendel's mother attacks Heorot in revenge. Beowulf then ventures into her cave under a lake, and engages in fierce combat with Grendel's mother. She nearly kills him until he sees an ancient sword, with which he kills her, and beheads the dead Grendel.

Explanation:

1. c- the tunnel project was worthwhile.

2. b- to inform about the value of the tunnel project

situational archetype describes the adventures of hero. the examples of situational archetypes are the quest, good vs evil, the task which represent respectively search, good forces, characters vs the evil ones and a certain job that must be done. from the given options, we cannot observe the subplot the beauty and the beast which is a correct answer for this question.