I guess in sustainable society, the two traits would be the the stress of equality in which people can be equal to each other and another trait would be the capitalism that emphasizes the use of renewable energy. In unsustainable society, the use of fossil fuels is one trait in which it cannot be renewed and the second is the homosexual inhabitants in which if once is lost, it is totally gone.
I believe i<span>mproving air circulation.
Hope this helps!</span>
Identical twins could not be considered as clones for they are different individuals which came from the same egg and sperm. Clones are produced asexually, a copy of another organism. Even though identical twins share the same DNA, they have different qualities as of the other twin which makes them their own unique self.
I'm not sure but it might be C