Examlex
The problem with CO₂ is that it's not a clean source of energy.It is a fossil fuel.
Atomic Numbers
The number of protons in the nucleus of an atom, which determines the chemical properties of the element.
Nuclear Research Facilities
Specialized installations designed for the study and development of nuclear technologies, including energy production and weapons research.
Atomic Number
The atomic number is the number of protons in the nucleus of an atom, determining the chemical properties of the element and its place in the periodic table.
Artificially Created
Made or produced by human beings rather than occurring naturally, typically as a copy of something natural.
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