Answer:
HCI is the formula for hydrochloric acid
I would have to go with D.Old age slows even the most productive and hard-working people.
Answer: Nobility and Heroism
Explanation:
In Lines 134-159: Beowulf is seen in “ the silvery metal of his mail shirt/gleaming with a smiths high art” because he is regarded as shining and brilliant.This represents nobility to the Danes. Only a noble hero is ready and deserves to fight for his king.
Beowulf appears to boast about his accomplishments and about his past deeds to Hrothgar, so as to gain the king´s confidence in order to be entrusted with the heroic challenge of killing Grendel and saving Herot.