3.which of the option below if not properly disposed and exposed in the backyard can cause air pollution a.animal waste b.animal food c.disease d.fly and insect infestation 4.when flies and insects settle on the family belongings and food thus contaminating it,it can cause______.Which of the following is not included a.diarrhea b.urinary track disease c.skin infection d.fresh air 5.which of these are carriers of disease-causing bacteria? a.hogs b.fly and insects c.animal owners d.fresh air
