I need this answer pronto

How did stock market activity on October 29, 1929, contribute to the Great Depression?

A. The number of stocks traded on the stock market increased greatly, enabling companies to hire more people.

B. Stock prices increased tremendously, giving banks more money to loan out to costumers.

C. Stock prices dropped quickly and dramatically, leaving investors with less money to repay loans.

D. The number of companies who invested in the stock market increased, giving them less money to pay employees.

Which of the following is true of emotions? (a) a neurologically-intact baby can show at least six distinct emotions at birth. (b) the character of emotions changes as we develop cognitively. (c) basic emotions are culturally- and developmentally-based. (d) in general, adults cannot interpret infant emotions until the infants are 10 to 12 months old.

Which type of learning occurs when you observe how other people act?

Ascientist successfully predicts the outcome of an experiment. you watch carefully and know he didn't cheat. the scientist's success shows that: a) the scientist knows absolute truth about this experiment; success is not possible unless you know the truthb) the scientist was just lucky; no one ever knows what's going on, so successful predictions require luckc) the scientist may know the truth, or at least know something that is close to the truth, or the scientist may have gotten lucky this time; you can't be absolutely sured) the scientist really was cheating, even though you didn't see the cheating; no one can get things right, except by cheatinge) the scientist spent the night at a particular hotel chain and go a free breakfast, giving the scientist the ability to do amazing things