Are you asking why the man is worried about getting frostbite? because if so, then he was worried because it would delay him.
Answer:
A)Yang's team's research will contribute to the creation of new materials.
Explanation:
A central argument in this Newsela article by Susanne Bard is that the discoveries made by the scientist Wen Yang and her team, who studied the human hair will be helpful in producing new materials such as very strong ropes that cannot easily cut during rescue operations.
This aspect of scientific research mimics the natural order of things so as to help scientists in innovating new products that will be beneficial to man. Yang hopes to streamline this new discovery to the Nano level before it can be harnessed by manufacturers.
C) Section 3
I hope this helped
Go with the flow. Don't worry about it and hope will bring you to the destination.
