the correct answer is bamboo and silk
Chinese have been the world sole producer of silk for several centuries, a commodity that often caused a balance of trade deficit between the country and the rest of the world. the secret of silk making was also protected with royal decree for a long time, which makes it a popular material for making music instrument. Bamboo is often preferred for its hollow inside.
I want to say that is lasted From October 25th to December 15th
That is because in many societies worldwide, families still don't want to send girls to schools because they don't think that it's a place where girls should go. Governments try to fight this with various incentives but often the cultural tradition is stronger than these incentives and this creates a society not based on equality. This is relatively common in underdeveloped countries.
I think c but i am just guessing sorry bout that
