According to The Evolution of Useful Things, what caused the popularity of Post-it notes?

Read the excerpt below from the poem "exile" by julia alvarez and answer the question that follows. i let myself lie back in deep waters, my arms out like jesus' on his cross, and instead of sinking down like i'd always done, magically, that night, i could stay up, floating out past the driveway, past the gates, in the black ford, papi grim at the wheel, winding through the back roads, stroke by difficult stroke, out on the highway, heading toward the coast. which literary device is used in the comparison between the speaker's experience of fleeing the country and floating in the ocean? i let myself lie back in deep waters, my arms out like jesus' on his cross, and instead of sinking down like i'd always done, magically, that night, i could stay up, extended metaphor symbolism simile theme

One conclusion that a reader might draw from the excerpt from "there's a man in the habit of hitting me on the head with an umbrella" is that the man with the umbrella is persistent in his mission. provide two details from the text to support this conclusion.

Read each of the following statements and place a checkmark next to each true statement: test-makers give away answers to questions in other questions. a test-taker should check every 20 answers or so to make sure the questions and answers match. long passages on tests should be read quickly to save time. words like best, least, and worst require the test-taker to make judgments about the correct answer. test-takers should not try to answer the questions in their minds before reading over the answer choices. test-makers use the same letter three or four times in a row to trick test-takers.