Answer:
The answer Is :
B.the director of the Environmental Protection Agency, the chairperson of the Council on Environmental Quality, and the secretary of energy
This is becasue there are different people in the caste group that work with the president. This is the Council that works with the president in the caste group
Answer:bones shells exoskeleton and old age Dna remants
Explanation:fossils are old bones or remaining parts of animals and they are buried under mud for so many years
The answer to your question is B (Heading, Introduction, Argument, Closing).