No person shall in or near to any street, public place or place of public resort—
(a)commit a nuisance by easing himself; or
(b)having the care or custody of any child under seven years of age, suffer such child to commit a nuisance as aforesaid; or
(c)spit or throw any dust, ashes, refuse or rubbish so as to cause annoyance to any passer-by.