Answer:
Some scientist think that earth is entering a new epoch because major changes are taking place on earth as a result of human activity, Option (B).
Step-by-step explanation:
Scientists are speaking these very words based upon the evidence they have had encountered. The real geological changes have been going on and it is happening even at this moment. For instance, constant increase in fossil fuel burning is resulting in increasing levels of gases like carbon dioxide resulting in increase in temperature of earth's atmosphere. Similarly, humanity is being reshaped by the constantly evolving technology and its applications.