Examlex
What hormone is known to be important for maintaining bone strength?
Cigarette Smoking
The act of inhaling smoke from burning tobacco wrapped in paper; a leading cause of numerous health issues, including lung cancer.
Motor Vehicle Emissions
The gases and particles released into the atmosphere as a result of the combustion of fuels in motor vehicles, contributing to air pollution and environmental harm.
Internal Combustion Engine
An engine in which the combustion of a fuel (normally fossil fuels) occurs with an oxidizer (usually air) in a combustion chamber.
Fuel Efficiency
A measure of how effectively a vehicle uses fuel, typically expressed in miles per gallon (mpg) or kilometers per liter (km/L).
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