Answer:
Income equality and environmental degradation.
Explanation:
When nation reach a sustainable development state, It already implemented several optimizations that maximize the economic production. (such as using latest technologies in factories, most cost-efficient materials, etc)
These optimizations tend to lead to an increase in overall national income.
But, the largest portion of that income will be given to exclusively the owners of the factors production. This will gradually cause income equality in the country. On top of that, the new technologies that required for sustainable development tend to create emission as a side effect This contributed to the environmental degradation.
1200 miles/55 gallons = 21.82 miles/gallon
The answer is standard of living. Standard of living refers to the quality and quantity of products and goods available to a population at a given time. It is also defined as the level of wealth, comfort, material goods and necessities available in a certain geographic area or place.
