A passage is given with 5 questions following it. Read the passage carefully and choose the best answer to each question out of the four alternatives.
The instructor's rules were simple. Breathe through your mouth, not your nose; else the mask will fog up. Easier said than done; I got it wrong many a time. But once you fought habit and got the hang of it, the panoramic underwater world revealed itself to you with high-definition clarity.
Led by him, I slowly peered through the mask into what till then was crystal-clear water, shimmering in the sunlight. I saw pebbles, sand and my fluid shadow. I was in Nemo's universe. Sea cucumbers, sea anemone, clown fish, star fish, sea horses, parrot fish, butterfly fish and a bevy of colourful salt water fish swam past. A shoal of canary-yellow fish did a merry dance and another with vibrant blue fish followed it. They were oblivious to the snorkelers who struggled to take in the sight of a world so beautiful, so colourful, and resist opening their mouth wide in amazement; the tube would fall off!
The writer is describing her experience of which activity?
Snorkeling is the practice of swimming on or through a body of water while equipped with a diving mask, a shaped breathing tube called a snorkel. It is evident in above mentioned excerpt that the writer is talking about it, as can be seen through the phrases like,$ breathe through your mouth, not your nose; else the mask will fog up,$ peered through the mask into what till then was crystal-clear water, Nemo’s universe, etc.$
3. He travelled all ............. the world when he was eighty years old.