Which of the following trends in the 1920s was a cause of the Great Depression? Americans built up personal debt borrowing and using credit to pay for things.

Americans refused to play the stock market.

The farmland in the Great Plains was not developed.

Banks made a lot of very safe loans.

What best describes the portability characteristic of money?

Ascientist has predicted that the population of earth will continue to grow exponentially until the year 2300. at that point, we will reach carrying capacity of earth’s resources, and population growth will plateau. if the scientist’s prediction is correct, what can you predict about human energy use at that time? justify your answer by explaining the relationship between population growth and energy use. (5 points)

Evidence suggests that the ancient romans had a very formal medical system. it included which of the following? click all that apply. medical schools universities physician apprenticeships nursing homes hospital facilities