President obama has scheduled a cabinet meeting today to discuss energy policy with specific focus on pollution and global warming. given what you know of the executive branch, which group of attendees would the president most likely expect to provide up-to-date information and expert insight during this meeting? a. the secretary of state, the director of environmental protection agency, and the white house chief of staff b. the director of the environmental protection agency, the chairperson of the council on environmental quality, and the secretary of energy c. the chairperson of the council on environmental quality, the secretary of defense, and the department of homeland security d. the director of the environmental protection agency, the secretary of energy, and the chairperson of the national security council