Examlex
Which subatomic particle has the smallest mass and volume?
Hydrogen Gas
A colorless, odorless, tasteless, and highly flammable diatomic gas at standard conditions, often used as a fuel and in various industrial processes.
Motor Vehicle Fuels
Various types of fuel used to power motor vehicles, including gasoline, diesel, and alternative fuels like electric energy.
Greatest Polluter
Refers to the entity or sector that contributes the largest amount of pollutants to the environment, often assessed in terms of greenhouse gas emissions, chemical waste, or other harmful substances.
Radon Infiltration
The process by which radon gas, a radioactive and harmful substance, enters buildings from the ground.
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