That question could be a Brainly Plus question. Does it do it for non Brainly Plus Questions?
Is an example of complements Hope this helps:)
The answer is D (St. Louis). St. Louis and Jefferson City are both in Missouri.
Answer:
Economists are important because they study a certain resource and figure out how to distribute it to others to get as well.
Explanation:
For example, An Economist might be studying a very scarce resource. This resource is something that is needed in everyday life. What an economist will do is find a way to make sure this resource is available to everyone. They could so this by creating another version of it or a different kind of it to distribute. Then they are helping the economy.