Examlex
If you were standing on the Earth's equator, which of the following in the sky would pass through your zenith during the entire day (24 hours)
Sources Of Carbon
Origins or processes that release carbon into the atmosphere, including both natural and human activities.
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.
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