Which of the following is an authority on a topic?

a) people whose job it is to study the topic
b) people who are paid to endorse a product related to the topic
c) people who like to share their opinions on the topic
d) people who are good writers on the topic

Bicycle riding should be encouraged, and adding bicycle lanes will increase the number of riders. it is healthier for people to ride than to sit angrily in traffic. it is healthier for everyone to breathe cleaner air. sharing the road can be tricky, but there are things that can be done. so, add the bike lanes and get rolling! which sentence would improve this conclusion? every town should consider adding bicycle lanes, because it is a great idea. organizing safety classes for drivers and cyclists will ensure that everyone knows the rules. do not listen to negative people who complain about anything new. it is true that some people might get injured, but even walking can be dangerous.

What does breathless mean in the following sentence? after elizabeth won the race, she was breathless with excitement. a.was about to faint b.was not able to breathe c.was at the finish line d.was not excited

Isaw clearly the doom which had been prepared for me, and congratulated myself upon the timely accident by which ! had escaped. another step before my fall, and the world had seen me no more and the death just avoided was of that very character which i had regarded as fabulous and frivolous in the tales respecting the inquisition. to the victims of its tyranny, there was the choice of death with its direst physical agonies, or death with its most hideous moral horrors. i had been reserved for the latter. by long suffering my nerves had been unstrung, until i trembled at the sound of my own voice, and had become in every respect a fitting subject for the species of torture which awaited me. which torture does the passage above reference? a. being eaten alive by rats b.being sliced open by a giant blade c.being killed by falling into a hole d. being burned alive