What is the author's central idea in this text for recommended levels of insulation(excerpt)

what makes a hero is someone who tries and acres and then heps to save people

the switch in narration increases the proximity of the narrator to the main character and the reader can perceive information only through the filter of a single character.

question: energy distribution provides utilities, which are

answer: electrical utility industry is a major provider of energy in most countries.

explanation: they use this energy for company's so they distribute this to companies in other companies

question answered by

(jacemorris)

21 balloons is the story of professor william sherman's travels.

in 1883, he set off from san francisco for a balloon ride over the pacific and was found a month later floating with 21 balloons in the atlantic ocean. this seemed an astounding feat and everyone wanted to know what had happened.    

professor sherman was loyal, however, and said he would tell his tale first to the western american explorers club in san francisco, of which he was a member. this built up suspense for several chapters before he began to tell of the wonders of his adventures and the amazing island of krakatoa, an island which had just been blown up by a volcano.  

the residents of krakatoa are all millionaires who live under a "gourmet government" of their own devising. we get to see all the incredible adventures that creative people with unlimited resources would create according to the author.