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by looking at pics in caves, DNA and

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writing by looking at pics in caves

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writing

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by looking at pics in caves,

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writing robert

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i think they would have drawing to tell people what to do

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by looking at pics in ca

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I think they looked at the fossils and they studied those

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writing

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I think they looked at the fossils and they studied th

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I think they looked at the fossils and

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I think they looked at the fossl

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I think they loo

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I

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time travel

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We proba

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We

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We probably know from fossils, bones, artifacts, and tools

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i think we knew what happened  back then because maybe of fo

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i think that they would have old things that they used  to study for us in the ¨future

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OKAY! I THINK SO BECAUSE OF A FEW REASONS.......
1) WE HAVE TIME TRAVEL AND THE GOVERNMENT ISN'T TELLING US!
2) WE USED BASIC SCIENCE AND TESTS AND STUFF TO FIND OUT!
OR
3) SOMEONE IS IMMORTAL AND WAS AROUND BACK THEN SO THEY'VE BEEN SELLING THE GOVERNMENT SECRETS ABOUT WHAT HAPPENED!

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They might have found some ancient scribles in the ground

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tbh there is no anwser for this because scientist made predictions on what it could be so back then anything couldve happened

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I think that they saw fossisles

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because  of artifacts they have  and cloths that they have they might be able to guess what happen by looking at the cloths and weapons and running test to see what kind of people they were and what they did in life

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I think historians found fossils that helped them tell about it. They probably studied the fossils then historians wrote about it

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They found the writing undergroud or in secret places and they assumed that it was ancient or its different than our writing.hi

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I think we knew what happened because of the fossil undergrund

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by diging fossils from the grownd

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people use to draw pictures on the cave walls about there adventures.

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We knew what happened due to a variety of fossils and the weapons they used,or we might find them frozen and look like skeletons with a little bit of flesh like the wizard of Ozti,I mean Otzi.

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Honestly, I have absolutely no idea. Maybe historians were able to make assumptions based upon the objects and clothing left behind in ruins. But, I mean, I'm twelve, so...I don't know :P

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I think we knew what happened because...