In paragraph 2, the author notes differences between building sand castles and playing with toys. What idea does this comparison help develop? 1. The author preferred building sand castles to playing with toys. 2. The author lost track of time when he built sand castles but not when he played with toys. 3. A builder of sand castles must accept that building sand castles is more disappointing than playing with toys. 04. A builder of sand castles must accept that building sand castles is less predictable than playing with toys.​

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).

the autor of the text is bringing the point that one achievment of the president john f. kennedy was a success and this caused the next president to use a similar idea. the purposefor the use of the quotation in the text is to support the idea that peace corps was a result of the president's call. in this case, the quotation is presented as part of the writing and does not stand on its own.

answer a.

the answer is culture