Question

Mention two ways by which food can get contaminated

Answer 1

https://www.google.co.in/search?q=Mention+two+ways+by+which+food+can+get+contaminated+&ie=utf-8&oe=u...

Answer 2

food can be contaminated if kept open as many tiny insects may sit over it
.food can become rotten
.the organic substances of the food will react with the air and can smell very bad