Answer: A. Bamboo, shells, bones, and wood
Explanation: Before its invention, bones, tortoise shells, and bamboo slips were all used as writing surfaces, but as Chinese Hemp fiber and silk were used to make paper but the quality was far from satisfactory. Books at that time were made of wood or bamboo slips so they were heavy and occupied a lot of space.
Answer:
They have tended to settle in poor areas of larger cities.
Use of machinery with the division of labor reduced the required skill level of workers and also increased the output per worker. The factory system<span> was first adopted in Britain at the beginning of the Industrial Revolution in the late 18th century and later spread around the world. It replaced the putting-out </span>system<span>.</span>
No I don't believe so they are. Here is a link to something that says more on it. I hope this helps!
https://en.wikipedia.org/wiki/Speech_or_Debate_Clause
