Primitive monetary systems require the same balance of supply and demand that ______the U.

Embedded systems always require the user to manipulate bits in registers or variables.

Embedded systems always require the user to manipulate bits in registers or variables.

Embedded systems always require the user to manipulate bits in registers or variables.

Embedded systems always require the user to manipulate bits in registers or variables.

Fuel oil transfer systems used onboard diesel propelled vessels are required to have _____

What is the text mainly about？A．The defect of US monetary system.B．The causes of ever－wors