Polyvinyl chloride, or pvc, is used in most water-carrying pipes in the united states. known for their resistance to the corrosion that can be caused by water, pvc pipes are more durable than the metal pipes of old. as useful as pvc is, it may be surprising that it was accidentally discovered in 1835 by henri victor regnault, who observed a mysterious white solid plastic forming inside some test tubes that were left exposed to sunlight in his lab.
it can be inferred from the passage that metal pipes:

a. are used more than pvc pipes outside of the united states
b. are more expensive than pvc pipes
c. are more likely to corrode than pvc pipes
d. are no longer used in the united states

Who is the speaker? read the quotations and answer the questions for each quote. quotation analysis "those who labor in the earth are the chosen people of " what is the main idea of the quotation? who do you think is the speaker? what evidence from the background reading leads you to the conclusion about the speaker? 2. "all communities divide themselves into the few and the many. the first are rich and well born, the other the mass of the people…" what is the main idea of the quotation? they divided the people in between rich and poor who do you think is the speaker? hamilton what evidence from the background reading leads you to the conclusion about the speaker? federalists believed that the country should be ruled by the by the best people 3. "laws are made for men of ordinary understanding and should, therefore, be construed by the ordinary rules of common sense." what is the main idea of the quotation? who do you think is the speaker? what evidence from the background reading leads you to the conclusion about the speaker? 4. "a fondness for power is implanted in most men, and it is natural to abuse it when acquired." what is the main idea of the quotation? who do you think is the speaker? what evidence from the background reading leads you to the conclusion about the speaker?

Select all that apply. identify the objective case personal pronouns. i me you him, her he, she it we us them they

Read the passage from a raisin in the sun. mama: lord have mercy, baby. you done gone and bought your grandmother a hat? travis (very proud): open it! she does and lifts out an elaborate, but very elaborate, wide gardening hat, and all the adults break up at the sight of it. ruth: travis, honey, what is that? travis (who thinks it is beautiful and appropriate): it's a gardening hat! like the ladies always have on in the magazines when they work in their gardens. beneatha (giggling fiercely): travis—we were trying to make mama mrs. miniver—not scarlett o'hara! mama (indignantly): what's the matter with you all! this here is a beautiful hat! (absurdly.) i always wanted me one just like it! which word or phrase from the text best supports the idea that the adults think the hat is inappropriate? “have mercy” (giggling fiercely) (indignantly) “what’s the matter”