Examlex
Use a calculator to approximate the logarithm to four decimal places.
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Radioactive Substance
A material that emits radiation as a result of the decay of unstable atomic nuclei.
Brain Activity
The functioning and processes occurring within the brain, including neural activity and cognitive operations.
Electroencephalogram
An electroencephalogram, or EEG, is a test that measures electrical activity in the brain to help diagnose neurological conditions.
Brain Wave Patterns
The electrical activity in the brain, categorized in various types like alpha, beta, and delta waves, each associated with different states of consciousness.
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