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6. Minerals are an important resource that comes from the earth. Which is NOT an example of a mineral?
A. Chlorophyll
B. Coal
C. iron
D. Salt

7. Which of the following resources are either always available, or can be renewed in a relatively short amount of time?
A. Renewable resources
B. Non-renewable resources
C. Natural resources
D. Renewable energy

8. Natural resources, such as coal, oil, and natural gas are also known as
A. Renewable resources
B. Petroleum
C. Fossil fuels
D. Renewable energy

9. Which natural resources are essential for a living?
A. Air and Water
B.TV and Radio
C. Cars and Water
D. Soda and Chips

10. Which is an example of a living natural resource?
A. Cucumber
B. Gold
C. Iron
D. Stone​