One way a plain can form is when: D. erosion from wind, water or ice removes crustal material.
What is a plain?
A plain can be defined as an extensive (large area) flat land with a gentle slope, especially due to little or no changes in its elevation. Also, they're one of the major landforms on planet Earth because they cover more than one-third of its land area.
Based on geographical research and records, one way a plain can form is when erosion from wind, water or ice removes crustal material such as dirt and rock fragments.
Read more on a plain here: https://brainly.com/question/13408016
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