Solve
-Use the Formula $C=\frac{5}{9}(F-32)$ To Write 221°F as Degrees Celsius

question 12

Multiple Choice

Solve.
-Use the formula $C=\frac{5}{9}(F-32)$ to write 221°F as degrees Celsius .

• A) 140.6°C
• B) 429.8°C
• C) 105°C
• D) 90.8°C

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Definitions:

Melatonin

A hormone produced by the pineal gland in the brain, regulating sleep and wakefulness cycles.

Biological Clocks

Internal mechanisms that regulate the timing of biological processes and behaviors, aligning them with daily and seasonal rhythms.

Cholecystokinin

A hormone secreted by the small intestine that aids digestion by stimulating the gallbladder to contract and release stored bile into the intestine.

Core Body Temperature

The temperature of the internal environment of the body, which is maintained within a narrow range despite external temperature changes.