She stayed alert on many difficult and long flights

Which of these details is not relevant to the paragraph? jane addams was born in cedarville, illinois, in 1860. as the daughter of well-off mill owner, jane always had her needs cared for. while she traveled through england in her late twenties, she and her friend, ellen g. starr, traveled to a house where poor people could sleep, eat, and learn. inspired by this, jane and ellen started a similar establishment, called hull house, in chicago, illinois. people living in the city could get a meal, learn, and rest at hull house. the founders soon became famous for their work, and their efforts many poor people in chicago. for her work, jane was awarded the nobel peace prize in 1931.

Which techniques best describe the tone the author is using in this passage?

Is the sentence “ironically, although approximately seventy-one percent of the earth is covered by water, thirty-three percent of its land area is desert.” a phrase or a clause?