If the 14C to 12C Ratio Present in a Fossil

question 12

Multiple Choice

If the 14C to 12C ratio present in a fossil is 25% of that in living organism,how many years have passed since this fossilized organism died?  

• A)1,432
• B)2,865
• C)5,730
• D)11,460
• E)17,190

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Definitions:

Sleep Stage

Phases of sleep characterized by specific brain waves and neurological activity, including REM and various stages of NREM sleep.

Sleepwalking

Sleepwalking, or somnambulism, is a sleep disorder where a person walks or performs other activities while not fully awake.

Slow-Wave Sleep

A deep phase of sleep characterized by slow brain waves, reduced heart rate, and low metabolic activity, crucial for physical and mental restoration.

Benzodiazepine Sedative

A class of psychoactive drugs used to induce sedation, reduce anxiety, and help with sleep by acting on the central nervous system.