Examlex
Emerging shortages of water for drinking and irrigation in many parts of the world is one of the three most serious environmental problems the world faces during this century.
Chemical State
The composition and properties of substances in terms of atoms and molecules, affecting how they interact and react with each other.
Male Condom
A sheath-shaped barrier device used during sexual intercourse to reduce the probability of pregnancy and the spread of sexually transmitted infections.
Anal Sex
A sexual activity involving insertion of the penis into the anus of a partner.
Adequate Lubrication
The sufficient production of bodily fluids to reduce friction during sexual activity or other physical activities, enhancing comfort.
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