If you woke up one day without a nose, what question would you
most likely ask yourself? l

Where is my nose?

Explanation:

I've never lost my nose before and I did not think it was possible to lose it, how could this happen to me?

a. protestors wrote narrative about vietnam that run counter to veterans own stories

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).