•Combine the subjects or predicates. Write the new sentence.• Shannon runs hurdles. Shannon throws the discus.​

what is the question.. you are more likely giving us something to read with no question

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).

c) vampires in history and modern life.

they played you again smh, you should be provided with the right answers.