Oklahoma Barber Practice Exam

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Study effectively for the Oklahoma Barber Exam with engaging quizzes and helpful resources. Solidify your knowledge and prepare for the certification that will kick-start your barbering career!

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What do inorganic substances include?

Minerals
Plants
Animals
Gases

The correct answer is: Minerals

Inorganic substances are those that do not contain carbon and are not living, such as minerals. Plant and animal cells contain carbon and are considered organic. Gases, while they may contain elements found in inorganic substances, are not themselves classified as inorganic substances.