Examlex
________ are the building blocks of nucleic acids.
Fossil Fuels
Natural fuels such as coal, oil, and natural gas formed from the fossilized remains of ancient plants and animals.
Nuclear Power Plants
Facilities that generate electricity by using heat from nuclear reactions to produce steam which turns turbines.
Renewable Sources
Energy sources that are naturally replenished on a human timescale such as solar, wind, hydroelectric, and geothermal power.
Natural Radioactivity
The spontaneous emission of radiation from the nucleus of an unstable atom as a result of nuclear decay processes.
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