How do you know this is abrasion?

What does gradualism and punctuated equilibrium have in common

Which plains area lies in both the united states and canada? altiplano central canadian shield coastal plains great plains

Asea turtle has washed up on a remote section of a beach. this known as a stranding occurs when a dead, sick or injured sea turtle washed up on the shoreline. which statment best explain why stranding should be reported immediately to local authorities