Examlex
Which factor in the Drake equation is the most uncertain?
Sexual Identity
An individual's self-identification in terms of their sexual orientation, behaviors, and attractions.
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.
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