Q1., Q2. and Q3.
The most foods that I use to eat are made of boxes or plastic bags. It is coting by waterproof plastic,  I think those are made by waterproof plastic because of the foods can get some water because of vapor.

Q4.

it is organized by positively, because of that consumers should buy their food.

Q5.

if we ate this food, it can be ruin and rotten.

Q6. and Q7.

usually, it is in our refrigerator, but when it is all done, it goes into the trashcan.

Q8.

we can make it by these; 1. don’t buy food too much, 2. If you buy a lot of food, don’t leave any food waste.