Answer:
Paleolithic (or Old Stone Age), Mesolithic (or Middle Stone Age), and Neolithic (or New Stone Age)
Explanation:
This era is marked by the use of tools by our early human ancestors. It was evoloved around 300,000 B.C. and became transformed into a culture of hunting and gathering to farming and food production. During this era, early humans shared the planet with a number of now-extinct hominin relatives, including Neanderthals and Denisovans.
The answer should be "etching"
The social problem that The Jungle by Upton Sinclair described was B.) THE LIVING AND WORKING CONDITIONS IN CHICAGO'S STOCKYARD.
Not only in the stockyard but also in the meat packing factories.
The story is about how a family intent on pursuing their American Dream was not able to do so because they became victims of corruption, wage slavery, and oppression by the capitalists in Packingtown.
Ummmmm... A microphone is an example of a device that you can sing, and sometimes put autotune... I dunno?
:D
Greek art is characterized by the representation of human beings.
