3. Why do you think Muslim armies were able to control such a large area?

the money supply is the total amount of money available in the economy. how do changes in the money supply affect people and businesses?

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.

well this isn't a question but if you are asking if it is true or false it is, true.