Answered

Prehistory can be described as _____.

what happened last year

what happened millions of years ago

the time prior to the use of written records

Verified Answer :

The way we usually think of history is the time of written records; or similar records(auditory, video) when we have direct evidence of what happened as opposed to reconstructing it from archaeological evidence. Pre-history is the time before this:  the time prior to the use of written records