The correct answer is B) No historians have written about the era that preceded the ancient era.
The option that could be a reason why humans know very little about the time before the ancient era is that no historians have written about the era that preceded the ancient era.
We are referring to what is cold prehistory, the time where events occurred before the existence of written records. Historians write what they can research or interpret written records from the past such as the clay tablets of Sumer-Mesopotamia or the Egyptians glyphs due to the Rosetta Stone. But without written records, all is speculation, that is why humans know so little about prehistory.
Answer:
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Explanation:
<span>What is this 30 of the production distribution and consumption of goods and services</span>
The innovations led to an increase in deforestation and pollution so environmental issues. But it allowed the United States to be a strong country economically and politically.
Compared to time in earth's history before humans appeared, rates of soil erosion are "higher", due mostly to the fact that some human activity associated with building structures adds to this erosion.