The 25th percentile New SAT score is 1450, and the 75th percentile SAT score is 1570. In other words, a 1450 places you below average, while a 1570 will move you up to above average. There's no absolute SAT requirement at Duke, but they really want to see at least a 1450 to have a chance at being considered.
Your answer to fill in the blank should be "interactions"
Answer:
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1 : the configuration of stars especially at one's birth. 2 : any of 88 arbitrary configurations of stars or an area of the celestial sphere covering one of these configurations the constellation Orion. 3 : an assemblage, collection, or group of usually related persons, qualities, or things …