Acc. to me it is the Caste System. Caste gives rise to apartheid, racial arrogance and untouchability. All these evils are the main root of all the evils prevalent in the society.
the main and biggest problem the mankind is facing today is pollution and overpopulation
Which is biggest man killer in africa? Humans are numerically the biggest mankillers in Africa.
the biggest bomb known in mankind is a nuclear bomb :)
killer whale
people!
Tobacco
Whales!
the biggest disgrace ever to mankind is poverty. poverty is the root cause of thousands of problems and this is always the last preference of world leaders.
it is your mom
Michael Meyers.
Heart disease
yes actually the biggest killer in the world 20 by 60 ft