His efforts at heloping the poor are laudable .

If a person exhales out forcefully by applying all his efforts, what will be the pulmonary volume inhaled by him immediately under normal condition without applying any extra effort ?

If a person exhales out forcefully by applying all his efforts, what will be the pulmonary volume inhaled by him immediately under normal condition without applying any extra effort ?

All his efforts to find his lost child were in vane.

Despite of his efforts he couldn't get a decent job.