What is one of the reasons why medicare costs have been rising?
a. hospitals are holding patients for longer periods of time.
b. recent outbreaks of diseases have affected medicare recipients.
c. life spans of u. s. citizens are increasing.
d. the population of low-income families has risen.

Which option below best represents what is included in the calculation of the united states gross domestic product (gdp)? a. 1 b. 2 c. 3 d. 4

According to the article,"social credit" is question 3 options: an experiment to people talk on-line a farming experiment that hurt people under mao ze dong using someone else's data from the internet, to give or take away things such as the right to buy an airline ticket a credit you get in china for having friends in real life, and not just on social media

Prince henry the navigator promoted the study of navigation and sponsored several voyages along africa's west coast. what country was henry the navigator from?