Lines 350–380: What problem does Mr. Kraler describe to the group? Why is the bookcase important? How does this dialogue move the plot forward and provoke a decision?

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).

1)they use panels

2)they include images and words.

3)they contain gutters.

pulling in the reader is important