There is not an exact answer, but I believe it is millions.
<span><span>T or F: On April 22, 1970, America celebrated the first Rachel Carson Day by hosting environmental awareness activities.
- </span>False</span>
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:
finance
Explanation: because it it say it when i look it up.
Answer:
steve stevens
Explanation:
he was born in Canada and you have to be born in usa to be president
