The other reason I was initially confused, but reading this thread helped, is that by presence of bones in the cave they don’t just mean that there aren’t any bones lying around, brought in by cavemen or bears dying in the cave. They imply that the cave is basically not accessible normally and what would be found in it (bones, fossils etc), if there was anything, can only come from the time when those mountains were formed. I think… Maybe that was obvious for some people.
Dang I didn’t even notice that logical inconsistency until you pointed it out. It should say “The mountains aren’t just older than dinosaurs.”
Of course you’re getting downvoted to hell because everyone either didn’t slow down to read it more carefully or can’t understand sarcasm.
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The other reason I was initially confused, but reading this thread helped, is that by presence of bones in the cave they don’t just mean that there aren’t any bones lying around, brought in by cavemen or bears dying in the cave. They imply that the cave is basically not accessible normally and what would be found in it (bones, fossils etc), if there was anything, can only come from the time when those mountains were formed. I think… Maybe that was obvious for some people.