560fd65f_KS3_Ex___Earth_Science_On_Site__uitable_questions_at_this_site
[Acceptable responses] Pebbles move as traction load. The rolling effect would abrade, or chip off, pieces making them smaller. The edges on such pebbles would also become more rounded. The amount of sand and grit would increase.
As these pebbles continue to be moved downstream what changes would be expected to happen to them?
MEL/KS3/Ex - Earth Science On-Site
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