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Every man-made product is composed of natural resources (at its fundamental level). A natural resource may exist as a separate entity such as freshwater, air , or any living organism such as a fish, or it may be transformed by extractivist industries into an economically useful form that must be processed to obtain the resource such as metal ...
Cartographic features are types of abstract geographical features, which appear on maps but not on the planet itself, even though they are located on the planet. For example, grid lines, latitudes , longitudes , the Equator , the prime meridian , and many types of boundary, are shown on maps of Earth, but do not physically exist.
The folds mimic the natural creases found in leaves, channeling more light into the cell. The researchers claimed in 2015 that the leaf-like cells generated 47 percent more electricity than those ...
Bar – Natural submerged sandbank that rises from a body of water to near the surface; Barchan – Crescent-shaped dune; Barrier bar – Natural submerged sandbank that rises from a body of water to near the surface; Barrier island – Coastal dune landform that forms by wave and tidal action parallel to the mainland coast
A pond is a body of standing water, either natural or human-made, that is usually smaller than a lake. A wide variety of human-made bodies of water are classified as ponds, including water gardens designed for aesthetic ornamentation, fish ponds designed for commercial fish breeding and solar ponds designed to store thermal energy.
Water resources are natural resources of water that are potentially useful for humans, for example as a source of drinking water supply or irrigation water. These resources can be either freshwater from natural sources, or water produced artificially from other sources, such as from reclaimed water or desalinated water (). 97% of the water on Earth is salt water and only three percent is fresh ...
2 Human-made or related. 3 See also. 4 References. ... Subterranea are underground structures, both natural (such as caves) and human-made (such as mines). [1]
These flames are not “natural disasters.” They are man-made catastrophes; fuelled by policies that have allowed fossil fuel use to go unchecked and disinformation to cloud public understanding ...