Worker hours to produce one barrel of crude oil Worker hours to produce one ton of coal United States
Developed
4
5
Country A
Developing
6
5
Country B
Developed
7
3

Using the chart, identify an example of comparative advantage for the United States over either Country A or Country B. Be sure to identify the product and the country. Explain how the availability and use of a natural resource may impact advantage.

Which sentence best explains how steam power changed agriculture in england between 1810 and 1850? a. farmers started using steam-powered machines to spray chemical fertilizers and pesticides. b. livestock farmers began using steam-powered machines to milk cattle and shear sheep. c. steam-powered railways transport and sell agricultural produce far from where it was grown. d. steamships to transport large numbers of people from the united states to english farms.

What document does the second paragraph of the declaration of independence echo

Choose the right phrase to complete the sentence. segregation in the united states in the late 1800s and early 1900s was supported by law alone. by custom alone. by both law and custom.