When the Microwave Background Radiation Was Emitted, About How Big

question 79

Multiple Choice

When the microwave background radiation was emitted, about how big was the universe?

• A)smaller than the head of a pin
• B)1/1,000,000 its current size
• C)1/100,000 its current size
• D)1/1,000 its currents size
• E)1/100 its current size

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Definitions:

Prefrontal Cortex

The frontal part of the brain's cerebral cortex, involved in decision making, social behavior, personality expression, and moderating complex cognitive behavior.

Temporal Lobes

Regions of the cerebral cortex located beneath the temples, involved in processing auditory information, memory storage, and managing emotional responses.

Senile Plaques

Protein deposits found in the brains of people with Alzheimer's disease, characterized by clusters of beta-amyloid protein that disrupt cell function.

Neurofibrillary Tangles

Twisted protein fibers found within the brain's cells that are one of the hallmark physical characteristics of Alzheimer's disease.