In what way was ralph waldo emerson important in henry david thoreau's professional life?

a. emerson criticized thoreau's work, which led to a long-standing rivalry.
b. emerson was the one who paid thoreau's poll tax, which freed him from prison.
c. thoreau could not find a publisher for his books and relied on emerson's influence.
d. thoreau lived on emerson's land, which was the subject of one of his books.

Arrange the sentences below to form a logical paragraph.an experienced rock climber knows that it takes a combination of knowledge and preparation to perform a successful climb.a successful climb begins with a proper foothold, carefully placing each foot on a ledge or crack then reaching for a solid hold, and finally pushing off.in addition to a proper foothold, a climber must be careful to check the integrity of the rock before stepping because it has to be solid clear through.a veteran climber judges the integrity of the rock and chooses not to climb on conglomerates, packed clay with lots of little rocks.but, such knowledge of rock is not the only preparation a skilled climber needs; equally important is the correct equipment.with these tools, knowledge of rock composition and equipment safety, a climber may experience many safe and enjoyable climbs.