*ECONOMICS* Commodity money has value because
A. it is assigned value by a government.
B. it can be used for food or shelter,
C. it is made of a valuable material,
D. it can be exchanged for specific goods.

C. it is made of a valuable material.

Explanation:

Early models of capital were oftentimes commodity money-money that had significance because it was made of a material that had significant value ... Gold coins were precious because they could be accepted in the transaction for other goods or services, but also because the gold itself was admired and had other applications.

just finished this it is b. centrifugal force

where is the subject? hahahaha