. In the poem “Dream Deferred,” Langston Hughes asks the questions "What happens to a dream deferred?" and "Does it dry up like a raisin in the sun?" What does the author mean by comparing a postponed dream to a dried-up raisin?

The dream will wither and shrivel.

Explanation: In the given sentences from the poem "Dream Deferred" the creator examine a dream that has been forgotten with a raisin drying in the sun, this assessment gives the photograph of the final result of giving up on a dream or even put off it, the dream will wither, it will fade, like a raising left in the sun to dry. He makes this analogy to motivate the target market to observe their dreams.

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).

every person should make it a priority to serve at least two hours per week.

it's an extremely important civic responsibility that is invaluable to citizens most in need is the correct one