Examlex
Which white blood cells comprise 20% to 30% of the circulating WBCs and are the cells that function in the body's third line of defense?
Hydrogen
A chemical element with the symbol H and atomic number 1, known as the lightest element in the universe and a primary component in water molecules.
Commercial Energy
Energy produced and sold for profit, including electricity, natural gas, and other fuels used in the industrial, commercial, and residential sectors.
Wasted
Resources or potential that is not effectively utilized or is discarded without beneficial use.
Tankless
Refers usually to water heaters that do not store hot water but heat it instantly on demand.
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