Which of the following statements describe surface waves? select the two correct answers. a. they can move in a rolling pattern through rock, like an ocean wave. b. they are the most destructive earthquake waves. c. they alternately compress and pull apart the particles in matter. d. they are the first waves detected after an earthquake.

A.they can move in a rolling pattern through rocks , like an ocean wave  and B. they are the most destructive earthquake waves.

Answera discharge of static electricity;

Magma forms by partial melting of upper mantle and crust. partial melt means that only a fraction of the available material forms a melt, and that the remainder stays solid. the partial melt rises because of its lower density and ascends through he crust. this is so conclusive mean the answer would be magma igneous rocks or balistic magma.