What is the key difference between command and market economies? A. A market economy places a strong emphasis on a small group holding responsibility for planning production.
B. A command economy considers private property essential to protect, while a market economy places no value on private property.
C. The basic economic questions are unaddressed in a market economy.
D. Households answer the basic economic questions in a market economy, while a group of leaders answer them in a command economy.
E. A command economy depends much more on the principle of the invisible hand.

The roman empire fell around the 5th century, and as islam spread in the 7th century, trade between europe and china slowed. chinese traders were blocked from westward expansion into europe when the chinese army was defeated by muslim fighters in the area known as syr darya. the trade routes, known as the silk road, fell into disuse, and trade between the far east and europe nearly stopped. it wasn't until the 13th century when the mongols invaded and controlled central asia and large parts of the middle east that extensive trade along these routes was opened again. based upon the paragraph above and your knowledge of the mongols, which of the following statements is correct? a. the mongols unified regions along the silk road, allowing for safe transport of goods. b. muslims controlled busy trade routes into china from the 5th to the 7th centuries. c. without access to european markets, the chinese were unable to obtain raw materials. d. the mongols replaced the roman empire as the dominant force in western europe.

What is the power of 10 when 0.00503 is written is scientifically notation

Lori attended a lecture about the sun, and the presenter had placed this image on the wall. which layer of the sun could this image be referring to?