Question

we should keep the cooked food covered

Answer 1

I think this is because of flies, and other yuk that could otherwise get it in it. But I'm not sure?? I just think it's what we should be doing. 

Similarly, I don't know why, but I'm fairly sure that we should be keeping leftovers in the fridge, with lid on them so that they keep for as long as possible. how long can we keep something like beef chilli for in the fridge, if we cooked it yesterday, left out with a pan lid on overnight and now fridge'd this morning in a plastic box with a lid on it.

I know this is trivial but my instinct says I "need" us to do this. Do we? Do you? How long do you keep things for?
hope this helps you.. plz mark this as brainliest