Question

he could not kill the dog with his bare hands. nimuk was powerful. a weapon, like a knife, was needed.
removing his mittens, he unstrapped the brace from his leg. he had hurt his leg a few weeks ago. he had made the brace from pieces of leather and iron.
he put one of the pieces into a crack in the ice. then he began to rub the other against it. nimuk watched him.
he worked all night. at dawn, his task was complete.
interact with text:

1. what was needed to kill nimuk?
2. how did he make the knife?

he used

Explanation:

Question 1

From the text "He could not kill the dog with his bare hands. Nimuk was powerful. A weapon, like a knife, was needed", we can find the answer.

According to the text "Removing his mittens, he unstrapped the brace from his leg... He had made the brace from pieces of leather and iron. He put one of the pieces into a crack in the ice. Then he began to rub the other against it", we can get the process of making the knife.

Answer:

A weapon, like a knife, was needed to kill Nimuk.

Question 2