The crust. We have not been able to access the other layers.
Yes, natural gas and oil are considered natural resources because they occur in nature and can be extracted for human use. They are non-renewable resources that are formed over millions of years from organic matter.
All our resources come from the crust. Cobalt is usually extracted as a by-product of copper and nickel mining.
Some nonrenewable resources of a notebook include petroleum-based plastics for covers, aluminum or steel for spiral bindings, and minerals such as graphite for pencil leads. These resources are extracted from the earth and cannot be replenished within a human lifetime.
Oceanic lithosphere is dense enough to be forced down into the mantle. Continental lithosphere is not.
the resources which aren't to be extracted
Extracted resources from their colonies
yes
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Some natural resources extracted near Richmond, VA are limestone, sandstone, clay, and shale.
Rocks are extracted from the Earth's crust, which is the outermost layer. This is where most of the solid rocks are found, including those suitable for mining and quarrying.
oxygen, and water can be found in the air
oils as well as fish and shellfish
Oil.
mineral
Extracted resources from their colonies
Most resources comes from or are found within the top surface layer of the earth, which is just a few km's in depth and consists of the crust and lithosphere (especially the uppermost part of the lithosphere).