What do abrasive materials do?
occurs over a wide range permeable walls rapid changes occur smooth wooden objects jeans destroyed crops decrease strength change an ecosystem
A B C D E F G H
Dirt is an abrasive like sandpaper.
Abrasives are used to smooth wooden objects.
What do abrasive materials do? (A) occurs over a wide range (B) permeable walls (C) rapid changes occur (D) smooth wooden objects (E) jeans (F) destroyed crops (G) decrease strength (H) change an ecosystem