Abrasion generally occurs four ways. Glaciation slowly grinds rocks picked up by ice against rock surfaces. Solid objects transported in river channels make abrasive surface contact with the bed and walls. Objects transported in waves breaking on coastlines cause abrasion. I HOPE THIS HELPED:)
They loosen up to be tighten again
Hematuria, or BLOOD CLOTS IN THE URINE
D. Ecosystems are important in maintaining the good chain among all the organisms within it, which contributes to a high value of biodiversity
