Which problem did ancient Mesopotamians have to solve in order to protect their cities and fields? .how to control flooding
.how to prevent wind erosion
.how to build bricks out of clay
.how to defend against attacks by nomads

John recently received his semester grades and found that he had failed two courses. he says the reason he failed the two courses is that they were taught by female professors. john believes that women are really not smart enough to teach at the college level. in this example, the female professors are a) spacegoats and being blamed for john's grades b) being discriminatory toward john c) probably not smart enough to teach in a college d) prejudiced against john because he is male