The writer wants to add information to the end of sentence 2 (reproduced below) to preview the line of reasoning in the passage. Unsurprisingly, neuroscientists warn that the constant use of smartphones alters the brain.
Which version of the underlined portion of sentence 2 most effectively accomplishes this goal?
A. brain, the complexities of which have long fascinated psychologists and psychoanalysts

B. brain, potentially undermining people’s ability to focus on serious school- and work-related tasks

C. brain, with potentially serious physiological and emotional costs

D. brain, which may have a profound impact on the still-maturing brains of young adults

E. brain, which many researchers claim may still be evolving

How can a speaker best appeal to an audience? a. by revealing just enough information to make the au us b. by allowing the audience to ask questions about the speech's subject matter c. by adapting the speech to the expectations and knowledge of the audience d. by encouraging listeners who disagree to voice their opinions

Plagiarism quiz read both the paragraph below and the information following it that identifies the source using the american psychological association format. then read each of the numbered statements and determine if each is plagiarized or not. circle “yes” if the statement is plagiarized, “no” if it is not, and then fix the “yes” answers). original source the presence of the taiwanese on everest was a matter of grave concern to most of the other expeditions on the mountain. there was a very real fear that the taiwanese would suffer a calamity that would compel other expeditions to come to their aid, risking further lives, to say nothing of jeopardizing the opportunity for other climbers to reach the summit. but the taiwanese were by no means the only group that seemed egregiously unqualified. camped beside us at base camp was a twenty-five-year-old norwegian climber named peter neby, who announced his intention to make a solo ascent of the southwest face, one of the peak’s most dangerous and technically demanding routes—despite the fact that his himalayan experience was limited to two ascents of neighboring island peak, a 20,274-foot bump that required little more than vigorous walking. krakauer, j. (1998). into thin air: a personal account of the mount everest disaster. new york: anchor books, 122 - 3. student samples yes 1. there was a very real fear that the taiwanese would suffer a calamity that would compel other expeditions to come to their aid(krakauer, 1998). no) 2. many climbers overestimate their abilities, as krakauer (1998) explains when he writes of peter neby, whose himalayan experience in the past “required little more than vigorous walking” (122 - 3). no 3. jon krakauer (1998) discusses other concerns besides those of unpredictable weather and his own climbing group’s capabilities. for example the existence of a taiwanese group on everest was a matter of serious unease to most everyone else on the mountain. yes/no 4. krakauer (1998) states that the taiwanese group was not the only inexpert climbers to attempt mt. everest: camped beside us at base camp was a twenty-five-year-old norwegian climber named peter neby. . [whose] himalayan experience was limited to two ascents of neighboring island peak, a 20,274-foot bump that required little more than vigorous walking (122 – 3). yes/no 5. the author asserts that the taiwanese “were by no means the only group that seemed egregiously unqualified.” yes/no 6. in his book into thin air, jon krakauer (1998) discusses many of the dangers he noted prior to his disastrous attempt to climb mt. everest in 1996. among them were encounters with other groups and individual climbers who were ill-trained and ill-equipped to handle the demands of such a climb.

Identify the sentence in which the underlined word or words are punctuated incorrectly. a) pam was (well prepared) for the debate. b) she had (read three quarters) of the material more than once. c) she has always been (self assured). d) the winner needs a (two-thirds) majority of the votes.