Which sentence uses a infinitive phrase as a modifier?
a) do you want to pass my class with the least amount of effort possible?
b) on the camping trip, all of the women gathered firewood for the first night.
c) the best way to cook a grilled cheese is with a strip of bacon in the middle.
d) the people who designed the scavenger hunt made it more difficult than necessary.

your answer is c) experiments with water vapor showed that elements combine in specific proportions.

the symbol of the grandfather's heritage in this excerpt from "the medicine bag,” is the beaded bolo tie.

a bolo tie is a cord fastened around the neck with an ornamental clasp which is worn as a necktie. they have been used by native american tribes such as hopi, navajo, zuni, and puebloans since the mid-20th century.

therefore, the fact that the grandfather is wearing a bolo tie refers to his heritage as native american.