Cara's thighs felt as heavy as rocks as she climbed the building's dark, narrow staircase. Which two choices best explain how the sentence affects the meaning of the first paragraph?​

by conveying how difficult it is to climb the stairs

 by introducing a gloomy tone through the description of the stairs Explanation:

The author uses the simile "as heavy as rocks" to describe how Cara's legs feel; therefore, "by conveying how difficult it is to climb the stairs" is a correct answer. The sentence also contributes to the first paragraph's meaning "by introducing a gloomy tone through the description of the staircase."

answer; (c) on the left side; ; ; ; ; ; ; ; ; ; ; ; ; speech is localized on the left side of the brain;

the answer is

a) revise existing treaties

b) do away with political alliances

c) prevent the spread of communism

d) bring an end to european colonization

the main goal of the southeast asia treaty organization was to prevent the spread of communism in southeast asia.