Question

we should keep the cooked food covered

Answer 1

We should keep the cooked food covered to protect it from insects , impurities etc .
I think this is because of flies , the other yuk that could otherwise get it in it .

For protecting the food not be spoiled we do that type of acts .

We should keep the cooked food covered to protect it from microbes .
If it comes in a contact with microbes it will spoil , and if any person take that he will be ill .

BE BRAINLY