The type of seismic waves that arrive at the surface first and move by compressing and expanding the ground like an accordion are called a. s waves. b. p waves. c. surface waves. d. mercalli waves

Which of the following are guidelines to follow for obtaining accurate observations

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up

Steelhead trout migrate up stream to spawn.occasionally they need to leap up small waterfalls to continue their journey. fortunately, steelhead are remarkable jumpers, capable of leaving the water at a speed of 8.0 m/s. a. what is the maximum height a steelhead trout can jump? b.leaving the water at 8.0 m/s, the trout lands on top of the water fall 1.8 m high. how long was it in the air?