Suppose a group of researchers wants to investigate the relationship between daily mindfulness meditation and cortisol (stress hormone) levels in the body over a 20-year time period. Which research design would allow them to measure changes with age and within individuals over time, even though it would be expensive, limited to one cohort, take a long time, and they might have people drop out of the study

Ron works for a large american company that is thinking about buying another large company. before the deal is announced, ron writes an article for the paper that tells all of the details of the possible business deal. ron's boss fires him for giving secret company information to the public. why is ron's company allowed to fire him without violating his "freedom of speech" rights? a. companies are fully protected by free speech laws. b. ron's boss was not born in america. c. newspapers do not count as speeches because they are written. d. ron's company has a right to protect its interests.the answer is d

1of the following choices, which one best describes one way that christianity came to east africa? a. christians traveled in caravans through the sahara desert and introduced the people of mali to a new religion. b. christian traders from the mediterranean interacted with the people of axum. c. christian military from west africa traveled across the continent to bring their religion to the people of east africa. d. christian rulers from asia traveled to east africa to bring their religion to the people. 2 which trade item from outside the region did west africans need most? a. gold b. camels c. salt d. iron

Which of these best describes the function of a "super pac"? a)create bi-partisan legislation that can become law b)organization meant to reign-in spending of political candidates during election cycles c)promote the interests of supreme court justices without breaking specific tampering laws d)raise funds through donations from corporations or individuals to support or oppose specific political candidates