In sentence 12 (reproduced below), which version of the underlined word best conveys the writer’s perspective on long space missions? With NASA’s attention directed to the problems of long space missions, it is certain that scientists will come up with creative solutions to the elevated risks to human well-being in space much as they have addressed dangers associated with shorter missions.

(as it is now)

(as it is now)
A

likely

likely
B

possible

possible
C

assured

assured
D

inconceivable

i believe it is d.) previous creature

mark twain, real name samuel langhorne clemens, was an american writer, humorist, entrepreneur, publisher, and lecturer. among his novels are the adventures of tom sawyer and its sequel, the adventures of huckleberry finn, the latter often called "the great american novel". wikipedia

i believe it’s the first one, but it could be the second! not the third or fourth.

explanation:

henry david thoreau and ralph warren emerson earned the name transcendentalists.you could assume that transcendentalists come from a well educated background from people that were alive before the american civil war.these people, mostly new englanders, mostly around boston, were attempting to create a uniquely american body of literature. it was already decades since the americans had won independence from england. and so they deliberately went about creating literature, essays, novels, philosophy, poetry, and other writing that were clearly different from anything from england, france, germany, or any other european nation.another way to look at the transcendentalists is to see them as a generation of people struggling to define spirituality and religion in a way that took into account the new understandings their age made available.