Hmm.... that seems like it would be <em>true</em>... :)
Answer:
Musa's spending resulted in gold becoming less valuable in Cairo.
Explanation:
Mansa Musa was a richest person in his time. When he visit to Cairo, he spend a huge amount of gold among the needy people due to which the value of gold went down. After coming from Mecca to Cairo, Musa bring huge amount of gold, scholars and architectures in order to help poor people with his gold, educated the people through scholars and spread Islam and build important buildings for the welfare of people.
The answer is D.
Factor production that could be changed during particular period is called Variable Factor of Productions.
Basically, factor of productions is divided to fixed and variable factor.
FIxed factors are the one that will always stay the same no matter how many products you made. For example electricity cost, building rent, etc
The variable factors differ depend on how product you produce, such as raw material.
