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Because millions of years ago they were a lot bigger.

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Q: How are mountains still here if they got eroded for millions of years?
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Related questions

What can geologists infer from the rounded and eroded shapes of the Appalachian mountins?

They inferred that the Appalachian Mountains have been eroding for millions of years.


What is the oldest mountain in California?

It's hard to say. The tallest are the youngest because they have not eroded down yet, but this not make short mountains old either. There were mountains in flat places millions or even billions of years ago.


If old mountains wear down over the course of millions of years what is one of the primary reasons that mountains still exist?

Mm


If old mountains are worn down over the course of millions of years what is one of the primary reasons that mountains still exist?

New mountains are created through tectonic and volcanic activity.


How old are ozark mountains?

The Ozark Mountains are hundreds of millions of years old.


Is the grotto in Portland a cave?

no it is rock thet has been eroded over millions of years to form CHOCOLATE


If old mountains are worn down over the course of millions of years what is one of the primary reasons that mountain still exist?

New mountains are created through tectonic and volcanic activity.


IF old mountains wear down over the course of millions of years what is one of the primary resons that mountains still exist?

The lithosperic plates keep pushing up. New mountains are created through tectonic and volcanic activity.


How quickley do mountains form?

Not quick at all 10s of millions of years


Are all volcanoes millions of years old?

Mountains yes, volcanoes no.


How might an eroded area look millions of years from now?

Depends what the agents of erosion are. For example: If it was ice, the area would be scoured clean. If it were water or wind, the eroded material may have been carried off, leaving only the eroded surface.


If old mountains wear down over the course of millions of years what is oof the primary reasons that mountains still exist?

What we see today is the "Skeleton" of the mountains that once were. New mountains are constantly being formed through the action of tectonic action and volcanic action.