Answer:
They created harmful inks that were considered toxic.
It also contributed to environmental pollution
Explanation:
I think they invented inks that weren't harmful and they removed these waste that were harmful to the environment.
Hope this helps:)
Answer:
exactly what are you asking???
Explanation:
Cuneiform is a system of writing first developed by the ancient Sumerians of Mesopotamia c. 3500-3000 BCE. It is considered the most significant among the many cultural contributions of the Sumerians and the greatest among those of the Sumerian city of Uruk which advanced the writing of cuneiform c. 3200 BCE.
Answer:
Humans first evolved in Africa, and much of human evolution occurred on that continent. The fossils of early humans who lived between 6 and 2 million years ago come entirely from Africa. Most scientists currently recognize some 15 to 20 different species of early humans.