Question

What caused abrasion?

Answer 1

There is 2 abrasion so I put both

Answer: An abrasion is a type of open wound that's caused by the skin rubbing against a rough surface . It may be called a scrape or a graze. When an abrasion is caused by the skin sliding across hard ground, it may be called road rash.

Answer: Abrasion can happened when the wearing away of rock by sand. Abrasion can also refer to rocks that rub against other rocks.

Answer 2

Answer:

an abrasion is causes by skin contact with a rough or sharp surface. when forceful contact is made (with surfaces like concrete or gravel), the skin tears away.

Explantion:

Ex. When you fall on the ground outside on the asphalt or rocks, you can sometimes "scrape" your knee. this is called abrasion.