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Which of the following best describes W.E.B. Du Bois’s approach to achieving racial equality?

How did the returning Black soldiers from World War I influence postwar racial dynamics in America?

How did the Ku Klux Klan expand its reach in the 1920s?

What are the two factors that influence surface currents ? 

What value is displayed for sum1?

Assume binary image BW1 shown is 200 (rows) by 300 (col) pixels. The white column is 10 pixels wide and extends from the top to the bottom of the image. Let  BW2 = BW1(100:200, 100:200) What is sum(sum(BW2)) ?

Assume binary image BW1 shown is 200 (rows) by 300 (col) pixels BW2 = BW1(:, 50:100) What is result of imshow(BW2)?  

Assume binary image BW1 shown is 200 (rows) by 300 (col) pixels BW2 = BW1(:, 100:200) What is result of imshow(BW2)?  

A 2-year-old child is being seen in the pediatric clinic for abdominal pain. The clinician is performing a psychosocial assessment and is aware that which of the following findings is considered a risk factor for child maltreatment? (choose all that apply)

When using a tuning fork during a neurological exam, use a fork with a ___________ frequency. When using a tuning fork during a hearing exam, always use a _________ frequency tuning fork.