An engine is running by burning coal. Which statement is correct? The engine created energy to perform work.
The coal created energy to operate the engine.
The source of energy was created by the sun.
The energy used to perform work can be traced back to the sun.

C

Explanation:

The process of burning coal is created by the energy of the sun.

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the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl