Examlex
The following are in the correct chronological order:
Phosphorous
A chemical element essential for life, playing a key role in cellular energy transfer and the formation of DNA and RNA, but its excess in water bodies can lead to eutrophication.
Hydrogen Fuel Source
An energy source that uses hydrogen gas as a clean alternative to fossil fuels, producing water as the main byproduct when used in fuel cells.
Metal-Hydrogen Compounds
These are chemical compounds that consist of metal elements bonded with hydrogen, playing crucial roles in fields like energy storage and catalysis.
Experimental Cars
Vehicles designed and built to test new concepts, technologies, and functionalities in automotive engineering.
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