Economists use models A. to disprove economic data. B. to answer questions and analyze issues. C. to describe the real world exactly. D. to prove that theories are true.

The correct answer is letter B

Explanation:  Economists use models to simplify reality and allow a better understanding of the world.

Economic models are simplifications of interactions between real-life economic agents. Through these simplifications, it is possible to have a better understanding of how people interact in the economy, and what is the long-term balance towards which a market is heading.

muslims have taken his goods and products to different parts of asia an indonesia. sometimes just traveled and trade, but in other occasions, stayed in the place and made a living.

trade was the key for muslims economies to prosper. their commerce routes reached far places like malaysia and java in the 11th century.

another important factor for prosperity was that muslim states served as the middle point for european traders.

they used to travel by land but sailing the seas -the indian ocean- really increase the exportation of products.