Which of these is the correct root of the word democracy?
a. dem = government
b. dem = right
c. dem = law
d. dem = people

the correct answer is   d. a picture depicting people applauding a country's leader.

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).