"If you can't be a highway, just be a trail,
If you can't be the Sun, be a Star;
It is not the size that you win or you fail
Be the Best of whatever you are! ..... "
The Rhyme Scheme in the above given lines is ...
"To my immediate right the Nanda Pal glacier slopes down sharply _________ ofcourse for the fact that ends in a cold and menacing snout-with icy waters flowing below".
In the given passage the word menacing means