Examlex
Oil does not dissolve in water because ________.
Change
The process or act of becoming different in some particular way, without permanently losing one's identity or essence.
Permanent
A state or quality of being lasting, enduring, or intended to exist or function for an indefinite period without significant change.
Contraceptives
Methods or devices used to prevent pregnancy.
Sexually Active
Individuals who engage in sexual activities, implying various forms of sexual intercourse.
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