What Are the Three "Common" Substances That Are Believed to Be

question 106

Multiple Choice

What are the three "common" substances that are believed to be important in planet formation?

• A) electromagnetic radiation, electrical discharges (e.g., lightning), and water
• B) rock, ices, and gas
• C) solid, liquid, and gaseous hydrogen
• D) hydrogen, helium, and neon gases

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Definitions:

Lowest Terms

Refers to the simplest form of a fraction where the numerator and denominator are reduced to their smallest possible numbers.

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Fractions

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Lowest Terms

Refers to a fraction that has been reduced to its simplest form, where the numerator and denominator are as small as possible and have no common factors other than 1.