Exact nouns for containers can be bag, box, can, jar, bin, etc. Each of these nouns can have exact nouns such a 'bag' for example can be a grocery bag, a school bag, or a laundry bag. In turn, each of these nouns can have an exact noun, for example, a grocery bag can be a plastic grocery bag, a paper grocery bag, a reusable grocery bag, etc.
because humans are not very economical
grocery bag
"I am a Filipino" is correct to say if you are referring to yourself. If you are speaking to someone else and referring to them, you should say "You are a Filipino."
I prefer a reusable bag to both of those.
Because gravity has a better hold on it ( It's heavier)
they have more mass
they are goopd 4 popcorn
sixteen (16) year old
insulated bag that you provide, then paper and plastic is last
I keep mine in the freezer in a freezer bag
"You" in Filipino (Tagalog) is "Ikaw".