Which of the following is an example of a Scope 1 emission according to the GHG Protocol Corporate Standard? O a. Emissions from fuel consumed on-site to manufacture products or generate heat O b. Emissions from fuels burned by power plants that provide electricity to company facilities O c. Emissions associated with the use and disposal of an organization's products O d. Emissions associated with supply chain activities O e. Emissions from fuel used in airplanes for business travel