Roughly What Percentage of the Total Mass of a Galaxy

question 3

Multiple Choice

Roughly what percentage of the total mass of a galaxy is made up of luminous,or normal,matter?

• A) 5 percent
• B) 25 percent
• C) 50 percent
• D) 90 percent

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The improper use of substances or treatment of individuals in a way that causes harm or distress.

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Individuals who are enrolled in an educational institution for the purpose of learning and acquiring knowledge.

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Medications or substances used to reduce or relieve pain.

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Substances that are sniffed or inhaled to achieve a quick high, often household or industrial chemicals.