Question

what a difference between mountains plateau and plains

Answer 1

mountains r high & soil is of different property
plateau r consisting of soil with different property
plains consists soil of different property
chemical & physical composition makes them differ

Answer 2

The main difference between amountain and a plateau is that the mountain is an elevated, pointed structure whereas aplateau is an elevated area with a flat top. A plateau is generally lower in height than mountain, though there are plateaus higher than some mountains.