The opportunity cost for the gain or loss in an activity has been identified by engaging in that task and offering the benefit or return value to the task.
<h3>What does the graph represent?</h3><h3> </h3>
- In supply and demand, an equilibrium point is defined as the quantity demanded is equal to the quantity supplied.
- In the graph given, the point where quantity for the baseball produced is equal to the baseball produced is B.
Thus, the B point represents the number of balls and bats produced and supplied are equal.
Learn more about <u>opportunity costs</u> here:
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The answer is <span>the magnetic compass and gunpowder.
The magnetic compass and gunpowder were first developed under the rule of Chinese dynasties.
In fact, the compass and gunpowder were identified as part of the FOUR GREAT INVENTIONS OF CHINA. The other two were paper making and printing.
The magnetic compass was greatly used throughout Chinese history. They would use a magnetic needle that would be place floating in bowl of water. The magnetic needle was called "</span><span>"south-pointing fish" because it aligns itself to the south.
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The gunpowder was discovered in the 9th century but its explosive potential was perfected in mid-14th century.
It had two impacts in the US.
-we no longer have acid rain and pollution decreased
-contributed to the deep splits between conservatives and liberals.
The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
Members of the American upper class feel the need to build such opulent homes because it is a way to show fellow Americans that they have the power and status to exemplify the successful American way of life and to show that they are capable to accomplish their goals and whatever they want.
These people love to show their money and other possessions as a big house in exclusive neighborhoods. It is a way to say they are winners and are above the other social classes.
Sociologists consider that almost 2% of Americans are the wealthiest people in American society.
Answer:
The correct answer is A. A high life expectancy and literacy rate are signs that a country’s economy is developed.
Explanation:
A developed country, in general, is a country that has a high standard of living (high human development). One of the most used indicators to consider a country as "developed" is the human development index (HDI). This index takes into account wealth, education and health.
