Answers

2015-05-29T18:48:42+05:30
When insects like housefly sit on the food prepared,the deadly bacteria go into to the food making it poisonous
0
food becomes poisonous when microorganisms took place.
2015-05-30T09:55:52+05:30
When insect like housefly sit on any substance which contain deadly bacteria it added on housefly when it sit on food the bacteria releases  into food thus food become poisonous  
0