The Cloud of Dust and Gas from Which the Solar

question 52

Multiple Choice

The cloud of dust and gas from which the Solar System formed was about 92% ____.

• A) silicon
• B) oxygen
• C) hydrogen
• D) carbon

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Definitions:

Psychosomatic

Psychosomatic refers to a physical illness or condition that is caused or aggravated by a mental factor such as internal conflict or stress.

Deepest Stage

Refers to the most profound stage of sleep, typically associated with stage 3 and 4 of non-REM (Rapid Eye Movement) sleep, characterized by delta waves and the hardest to wake from.

Stage 4 Sleep

The deepest stage of the sleep cycle, characterized by slow-wave sleep and where the body recovers and growth hormones are released.

REM Sleep

Rapid Eye Movement sleep, a unique phase of sleep characterized by vivid dreaming, increased brain activity, and temporary paralysis of major voluntary muscles.