Examlex
The radius of a typical nucleus is about 5.0 × 10-15 m. Assuming this to be the uncertainty in the position of a proton in the nucleus, estimate the uncertainty in the proton's energy (in eV).
Indoor Air Pollutant
Airborne substances found indoors that can harm human health, including chemicals, gases, and biological entities.
Radioactive Radon
A naturally occurring radioactive gas that can cause lung cancer upon long-term exposure, resulting from the decay of uranium in soils and rocks.
Asbestos
A group of six naturally occurring fibrous minerals used in construction materials for their fire resistance, insulation properties, and durability, but are toxic and carcinogenic.
Wall and Ceiling Decoration
The art or practice of enhancing the aesthetic appearance of interior walls and ceilings through various means such as painting, wallpapering, or the installation of fixtures and artworks.
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