2. what ethical considerations will arise if this research is pursued?

 1. Biological disadvantages; people will be able to rid themselves of diseases or provide themselves with superior genes. 

2. People will want to make clones; people will want to provide themselves, or their children, with superior genes; superior genetic people will create a higher, genetically-modified class.

It would be a rusting car, for sure 

Iwould say overuse ( but not 100% sure ) in the u.s. we tend to overuse water by leaving it running, throwing it away, taking long showers, etc.