Geologist have found ancient deposits of lava and volcanic ash extending Southwest from the Yellowstone Hotspot to Nevada. what can you infer from this observation?

Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?