Answer:
A.
Women who enjoy a higher social status are usually less educated than women of a lower social status.
Explanation:
The Inca used those metals to decorate their palaces and had silverware, cups and dishes made of them.
Of course, only royalty had that.
GAO report said hundreds of planes flying commercially today could be vulnerable to having their on board computers hacked.
Answer:
The Printing Press
Explanation:
In the 15th century, an invention called the printing press enabled people to share knowledge more quickly and widely. Civilization never looked back. Knowledge is power, as the saying goes, and the invention of the mechanical movable type printing press helped disseminate knowledge wider and faster than ever before.
I think it might be chemical
