Plz help (a) Thoroughly describe the plate boundary, including the names of the plates, that occur off the coast of Oregon and Washington.
(b) What causes the Cascade mountains to be made of volcanoes?
(c) How old are the oldest parts of the Cascade mountains to be made of volcanoes?

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

Describe uniform velocity and variable velocity in short

Which of these metals are magnetic?