Nomadic people like mongols, huns, and khitans
The soviet union lost the most lives during world war 2
Varied amounts is a good bet. You have a certain amount to pay for objects and bills also have amounts so is easier.
Durable is also good but money can be regained by the bank or job.
Portable is also good but in other times people paid with gold bars which were quiet heavy.
Limited Supply is not it because you need it. So factories keep on producing.
Answer:
Technology has had a very significant impact on product and service design. ... The improved technology also made it easier to implement, remanufacture, design for assembly, design for disassembly, and design for recycling.
For the environmental issue of acid rain, the action that can be taken to solve this problem is as follows:
Reduce the use of herbicides, pesticides, and fertilizers that can contaminate water ways
Herbicides, pesticides, and fertilizers can lead to water pollution, especially over long periods of time. Reducing the use of these pollutants can have a positive effects on water ways that are a significant part of the hydrological (water) cycle.