What makes our minerals finite and non-renewable?
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Answer:
Nonrenewable resources come from the Earth. Humans extract them in gas, liquid, or solid form and then convert them for their use, mainly related to energy. The reserves of these substances took billions of years to form, and it will take billions of years to replace the supplies used.
KEY TAKEAWAYS
A nonrenewable resource is a substance that is being used up more quickly than it can replace itself. Its supply is finite.
Most fossil fuels, minerals, and metal ores are nonrenewable resources.
Renewable resources such as solar and wind power and water are unlimited in supply.
In economic terms, nonrenewables are resources of economic value that cannot be readily replaced at the speed with which they are being consumed.
Examples of nonrenewable resources include crude oil, natural gas, coal, and uranium. These are all resources that are processed into products that can be used commercially.
For example, the fossil fuel industry extracts crude oil from the ground and converts it to gasoline. Fossil fuel liquids also are refined into petrochemical products that are used as ingredients in the manufacture of literally hundreds of products from plastics and polyurethane to solvents.
Fossil Fuels Vs. Nonrenewables
Fossil fuels are all nonrenewable. But not all nonrenewables are fossil fuels. Crude oil, natural gas, and coal are all considered fossil fuels, but uranium is not. Rather, it is a heavy metal that is extracted as a solid and then converted by nuclear power plants into a fuel source.
In the language of economics, nonrenewables are resources that cannot be replaced at the speed with which they are being consumed.
All of these nonrenewable resources have proved historically to be valuable energy sources that are inexpensive to extract. Storage, conversion, and shipping are easy and cheap.
Fuels created from nonrenewable resources are still the primary source of all the power generated in the world due to their affordability and high energy content.
Other Types of Nonrenewable Resources
Most nonrenewable resources are formed from organic carbon material which is heated and compressed over time, changing their form into crude oil or natural gas.
The term nonrenewable resource also refers to minerals and metals from the earth, such as gold, silver, and iron. These are similarly formed by a long-term geological process. They are often costly to mine, as they are usually deep within the Earth's crust. But they are much more abundant than fossil fuels.
Some types of groundwater are considered nonrenewable resources if the aquifer is unable to be replenished at the same rate at which it's drained.
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