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How long ago did multicellular life forms appear in the fossil record?
Bullet-Shaped
Describes objects or entities having a rounded, tapered form at one end, resembling the shape of a bullet, often used to describe certain types of viruses or projectiles.
Body Temperature
The measure of the body's ability to generate and get rid of heat, crucial for proper physiological function.
Prescription Drug
Medication that legally requires a medical prescription to be dispensed, as opposed to over-the-counter drugs.
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Q80: The cosmic microwave background is the total
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