The side of a reflective spoon that holds soup is a mirror.
a. plane
b. virtual
c. convex
d. concave

Is when a person has given their consent based on understanding the actions and facts of a study?

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

What is the difference between a mixed and market economy