Examlex
The mountain chain that extends along the western edge of Middle/South America is known as __________________________ in Mexico and as ________________________ in South America.
Nitrogen
A chemical element with symbol N and atomic number 7, an essential nutrient for plants and a major component of the Earth's atmosphere.
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.
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