Examlex
A tiger is running in a straight line. If we double both the mass and speed of the tiger, the magnitude of its momentum will increase by what factor?
Ultrafine Suspended Particles
Microscopic particles suspended in the air, which can pose serious health and environmental risks.
Penetrate
To enter or pass through something, often by overcoming resistance.
Lungs' Natural Defences
Mechanisms within the respiratory system that protect the lungs from infection and pollution, including mucous production and cilia action.
World Health Organization
An international public health agency of the United Nations dedicated to improving health conditions and achieving the highest level of health for all people worldwide.
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