Examlex
A main- sequence star like our sun is expected to be stable for approximately ___________.
A. 10 billion years
B. 100 million years
C. 1 billion years
D. 10 million years
E. 100 billion years
Standard Time
Established time zones designed to unify local times, enabling regions across the globe to synchronize activities and communications.
Insomnia
A sleep disorder characterized by trouble falling or staying asleep.
Sleep Deprivation
The condition of not having enough sleep, leading to a range of cognitive, emotional, and physical impairments.
Sleep Apnea
A sleep disorder characterized by temporary cessations of breathing during sleep and repeated momentary awakenings.
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