Paper bags. Because it is made from kraft paper and plastic grocery bags are made from plastic, which kraft paper is stronger than plastic, so paper bags can support more weight.
Paper, the handles on the plastic are pretty weak.
No a balloon carry lighter weight then a plastic bag.
The readings will differ because the weight of the air inside the bag is being added to the weight of the bag itself. This additional weight from the air will cause the total weight of the bag filled with air to be greater than the weight of the empty bag.
In general, paper bags can support more weight than plastic bags due to their stronger structure and ability to hold heavier items. This difference is mainly because paper bags are made from a renewable and biodegradable material that is typically thicker and more durable than single-use plastic bags.
Almost 10 times as much as a plastic bag.
This may depend on what type of plastic and how thin or thick the plastic bag is. If you talk of a standard retail carrier bab then they are normally at capacilty on 3 kilos (6 and a half lbs). After this there is a good chance they will split. But as stated it depends on the gauge of the plastic bag and could mean that your referring to a garden refuse sack that can take 25 kilos.
0.7
There is not an exact weight to a bag of groceries. The weight of the bag depends on the size of the bag, and what is in the bag.
It depends what store you go to!
Paper bags on average hold more weight then plastic bags
Making a paper bag uses about twice as much oil as making a plastic bag.