If you're looking in a book for the chapter called "Eating Healthy: The Latest Information" where would you look? at the table of contents
in the book's index
at the library
online

actually the answer would be c.) jane addams worked hard to improve the lives of less fortunate people.

the answer is: the start of world war i, and russia’s hopes of benefiting from it

during world war i russian joined due to in their current crisis they were being supported by france and the war was already declared to them by germany, they needed to maintain their political goal and leadership role in the balkans, and is the same feeling that this excerpt evoke the eager of maintain the land value.

the gas pressure p, gas volume v, and gas temperature t are given in the formula:   pv=nrt,

r is the gas constant, and n is the number of gas moles.

if the container is cooled and remains under atmospheric pressure, where r is a constant that does not change, the volume of the container remains the same, the conclusion is drawn that, with all other values ​​unchanged, the number of gas moles n, is decreases.

the right answer is a.

two possessive pronouns (one plural pronoun and the other a singular pronoun)