Mechanical weathering may occur by means of A. Plant roots. B. temperature changes. C. Frosty action. D. All of the above . E. None of the above.

A. Plant roots.

Weathering may occur through the actions of water, air, plants, animals and various chemicals. Mechanical weathering is the breaking down of rocks into smaller pieces without changing the composition of the minerals in the rock.

helen told me that she hoped i had enjoyed myself.