What evidence do we have that both Leibowitz and famed African-American writer Langston Hughes were sexist?

Brandon has promised himself time to relax with a good book after he finishes studying for the day. which extrinsic motivation strategy is brandon using? pace yourself. reward yourself. get early. avoid burnout

How would you use a nuclear device to prevent an asteroid from hitting earth? a. use the device to blow up the asteroid b. use the device to blow up part of the asteroid and deflect it c. detonate the device in proximity to the asteroid to deflect it d. use the mass of the device to slingshot the asteroid out of orbit

Does delivering the same message over and over again aid in persuasion? what is this technique and how does it work?