An earthquake sends out mechanical waves in all directions from its source. In answering the following question, assume the waves all have the same energy when they leave the source of the earthquake. These mechanical waves will reach point a,b,c and d. The medium the waves are traveling through is the Earth. Which of the following is true for all points
Particles at those points will vibrate
Particles at those points will change frequency
Particles will change in their color
Particles will become lucid