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# What is the different between abrasion and attrition? watch

1. I can't tell the two apart and don't know how to describe them ?
2. Hi, firstly abrasion and attrition occurs in Rivers and Coasts so I may have to give 2 answers

For coasts- abriasion is when rocks rub against the cliff, attrition is when rocks hit each other at the shore or hit cliffs due to waves
http://www.bbc.co.uk/schools/gcsebit...ses_rev3.shtml

For rivers- abrasion= rocks rubbing against river bed, attrititon= rocks hitting each other
http://www.bbc.co.uk/schools/gcsebit...ses_rev1.shtml

Very basic level, but hope it helps

so abrasion= rubbing together like you rub wood against sandpaper (it eventually wears it away if you do that long enough)
attrition= hitting together like you throw a toy against a wall/against another and then the toy eventually breaks
3. (Original post by Wildnatxox)
I can't tell the two apart and don't know how to describe them ?
In a river, abrasion is the process of rock fragments and other particles being transported in the river knocking and rubbing along the river bank and beds, wearing them away. Attrition refers to particles in the river hitting against each other (rather than the bed and banks), knocking off little pieces and making them smaller and more rounded. Abrasion on the coast is similar, except the rock particles are wearing away the cliffs instead of the river channel, and the attrition process is the same
4. aBrasion -- the rocks ruB against each other
aTTRItion -- the rocks hit against each other

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