Which of the following is a correct description of cogeneration

a the process of using the steam generated by a nuclear power plant to create electricity
b the process of recycling cooking oil and reprocessing into biodiesel
c the process of recovering waste thermal energy produced in electricity generation
d the process of using crop waste to produce ethanol

Text version using the diagram above, match the description to the corresponding location in the carbon cycle model. provide the letter only. carbon dioxide is converted to sugar used for food. carbon trapped in fossil fuels is converted to carbon dioxide. organic carbon is converted to fossil fuels. carbon dioxide is converted to carbonates. sugar is broken down and converted to carbon dioxide. location location location location location