The Green Revolution averted the population bomb scenario by increasing crop yields, which enabled more people to be fed, thereby avoiding mass starvation and social unrest. This is option (b) in the list of possible answers. The Green Revolution involved the introduction of high-yielding crop varieties, as well as the increased use of fertilizers, pesticides, and irrigation. These changes led to significant increases in agricultural productivity, which helped to avert the scenario of widespread famine and social unrest that many had predicted as a result of rapid population growth.