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What is the center of an atom called?
What is the biggest source of Vitamin D?
What is the name of the scientist that discovered Uranus?
The name of the scientist that discovered Uranus is William Herschel.
What is the unit of measure for sound?
Decibels is the unit of measuring sound.
How do we call a persistent obsession with health?
Hypochondria is called a persisten obsession with health.