It been at least 15 years
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.
Car travels at an average speed of 40 km/h for 0.5 hours.
How far did the car travel in km?
It seems that you have missed to indicate the necessary options for us to choose from so I had to look for it. Anyway, here is the answer. The one that represent an effect of the expansion of Islam into India is this: <span>The Mughal Empire replaced the Ottoman Empire as the most powerful empire in the region. Hope this helps.</span>
Fist, Big Bang like you said, it's theory and it's explain the way universe being start and exist. Big bang theory said that: the moment when the explosion beginning, it's first seconds. Before that just nothing, time, space and quantum be in infinity point. After that, the explosion spread everything and time, universe, base quantum..
