What Key Event Happened During the Decoupling Epoch

question 98

Multiple Choice

What key event happened during the decoupling epoch?

• A)Pairs of neutrons and protons were created.
• B)Electrons and positrons were created.
• C)Expansion cooled the universe enough that protons could capture electrons in orbit.
• D)Dark energy accelerated the cosmos on to infinity.
• E)The universe underwent a brief period of very rapid expansion.

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Definitions:

Anaerobic Exercise

High-intensity physical activity that does not rely on oxygen as the primary energy source and focuses on strengthening muscles.

Aerobic Exercise

Fitness activities that increase heart rate and lung capacity, leading to improved endurance and energy.

Oxygen Consumption

The rate at which oxygen is used by tissues or organs in the body, indicative of metabolic activity and energy expenditure.

Organic Fitness

A holistic approach to fitness that emphasizes natural methods of maintaining physical health, such as nutrition and active lifestyles, without depending heavily on artificial or mechanical means.