4. Which transitional tags signal that a text's details are organized in chronological order? from the start, next, and lastly

except that, as opposed to, and otherwise

like, similarly, and both

because of, instead of, and due to

from the start, next, and lastly

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).

yes its good if for a love riddle. and the answer is a heart.

hope this

-goldenwolfx