4. Read this quote from the passage. “When a lot of points were at stake, teens actually spent more time studying the dots than
adults and brain scans showed more activity in brain regions involved in making decisions”
Why does the author include this evidence?
A. To prove that teens are smarter than adults,
B. To highlight the importance of brain scans,
C. To disprove antiquated scientific concepts.
D. To show how teens beat adults at contests.

This thinning would materially change the sound of the drum, evidence that although it might continue to be used for its original purpose of music-making or calling people to arms, it would now do so with a different voice. a musical instrument had become a trophy, and the new carvings were in fact branding, a statement of the north’s political dominance over central africa and of allegiance to islam. the drum had come to khartoum at a critical moment in sudanese history. in an audio version, stressing the word "branding" would do what for the listener? emphasize the word's importance and the idea that followsadd emphasis to the following sentencesignal that something important has just been repeatedadd emphasis to the preceding sentence