What is the commercial transportation of fabrics and materials called?

One of the only remaining copies we have of the code of hammurabi is written on which of the following? a. a cave wall b. a painting c. a sculpture d. the bottom of a bowl

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Suppose that you are in a room with 3 doors and a crack in the ceiling for light. that is all. the doors each have a sign on them that says what there is behind them. door #1. a pool of corrosive acid. door #2. a crocodile that hasn't eaten in 8 months. door #3. a solar "oven". a giant lens that focuses all the sunlight at the entrance of the door. you must choose a door, which door do you choose?