Examlex
The slope of a line is equal to the change in the x-variable divided by the change in the y-variable.
Face Shield
A protective device worn on the head that covers the face to shield it from harmful substances or impacts.
Hair Covering
A piece of clothing or accessory used to cover the hair, often for hygiene, religious, or cultural reasons.
Virus Mutates
The process by which a virus changes its genetic material, often leading to new strains that can behave differently in terms of transmission and impact on health.
Vaccine
A biological preparation that provides active acquired immunity to a particular infectious disease.
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