Fill in the Blank: Elements Heavier Than Hydrogen and Helium

question 77

Multiple Choice

Fill in the blank: Elements heavier than hydrogen and helium constitute about of the mass of the interstellar medium.

• A)2%
• B)0)002%
• C)98%
• D)70%

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Definitions:

Inner Representation

The mental symbols or images used to represent objects, events, and relationships in the mind, influencing how information is processed and interpreted.

Gate Theory of Pain

A theory suggesting that pain signals passing through the spinal cord can be blocked or moderated by gates in the spinal cord, influenced by other peripheral sensory signals and the brain.

Neurons

Specialized cells of the nervous system that transmit signals to different parts of the body, serving as the building blocks of the nervous system.

Electro-Magnetic Spectrum

The range of all types of electromagnetic radiation, from gamma rays, visible light, to radio waves.