Question

mans contribution to the world is questionable debate against it

Answer 1

Men are the most important parts of this world they are the one who have given strength to do the things that are tough. Men are contributing in building the houses of their family, for the management of their food as well as their clothes. Even in agricultural lands production mans are most important parts. They are also working for the whole economy of their country.
Moreover, men are doing extra-ordinary efforts in the field of science and technology .Most of the world famous scientist was the man and even now a day the popular scientists are the men . Google CEO is a man, Microsoft owner is the man even the Newton and Edison was a man.

Answer 2

It is said that “Each of us is a unique strand in the intricate web of life and here to make a contribution.” 
Men are apart of society that have many roles. It starts from birth where the boys have to contribute to the home by bringing whatever the family asks. The the men grows and there parents are old the men of the house takes care of the one who gave him love.
Late after marriage the duty of the men is to work day and night and take care of his new family i.e his wife and children. 
The men works day and night and contribute to the society by being a son, a brother, a father and juggle his daily work to do so