The using up of goods and services
A wealthy country with an advanced econmy
A pooer country with a less advanced economy.
Length of a persons life (Item)
A measure of the amount of energy in food
Any fuel, such as petroleum, coal, and natural gas, that is made from the remains of prehistoric plants and animals
The creation and use of tolls to meet practical needs
The difference in opportunities available to people who have access to computers and the internet and hose who do not
The process of collecting used materials that would otherwise be thrown away and turning them into a raw material for new uses
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