Which of the following is an important characteristic of a postindustrial economy?

a. raw materials are made into goods
b. the focus is on ideas instead of physical products
c. people do not use gold coins for purchased
d. money is exchanged for goods and services

B. The focus is on ideas instead of physical products

Explanation:

Post-industrial of economy refers to a period of economic growth that is led by Services , scientific research, and data information industry rather than manufacturing.

Since services industry do not necessarily produce physical products, ideas and creativity often become the more important driving factors to provide the costumers with a more unique possibilities.

Why other options are wrong:

- Raw materials are made into goods. This happened in an economy dominated by manufacturing, which happened before post-industrial economy.

- People do not use gold coins for purchased - This happen ever since paper money was invented. Industrialization has no connection to it.

- Money is exchanged for goods and services, this happen in all period of economy.

the Medieval Crusades

Explanation: