Examlex
For cells to get oxygen,they must have an oxygen partial pressure lower than the arterial blood serving them.
Hydroelectricity
The generation of electricity using the flow of water through turbines in dams.
Coal
Coal is a combustible black or brownish-black sedimentary rock used primarily as an energy source or in industrial processes.
Tall Smokestacks
Structures designed to release industrial gases at a high elevation, reducing ground-level pollution.
Urban Areas
Regions characterized by high human population density and vast human-built features in comparison to areas surrounding it.
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