I'm from Minnesota, I'm so cool.
Answer:
option A
Explanation:
the correct answer is option A
In the early period of time barter system is used in which goods were exchanged with goods.
If you want to buy an article then you can do it with the help of money and if you want to sell that article that also you can do with the help of money so, we can say that money is a medium of exchange.
Answer:
The U.S.S.R
Explanation:
up to 20million people died in the Soviet Union (U.S.S.R)
Answer:
The Flynn effect
Explanation:
The Flynn effect is an effect that has been observed and it refers to the rise over time in standardized intelligence test scores.
In other words, this effect refers to the tendency of IQ scores to change over time, by increasing in the general population in an steady rate when taking IQ tests.
In this example, a team of researchers has been tracking performance on intelligence tests over the last 70 years, and they have found that their sample has been subject to the Flynn effect, indicating that intelligence test performance has been improving.
