GEOLOGY

Detailed explanation-1: -The correct answer is They can travel only through solid materials.

Detailed explanation-2: -They travel through the interior and near the surface of the Earth. P-waves, or primary waves, are the fastest moving type of wave and the first detected by seismographs.

Detailed explanation-3: -Answer and Explanation: The only statement that is true is that the p-waves or primary waves travel faster, and thus arrive sooner than do the s-waves or secondary waves which is choice B.

Detailed explanation-4: -P waves, or Primary waves, are the first waves to arrive at a seismograph. P waves are the fastest seismic waves and can move through solid, liquid, or gas. They leave behind a trail of compressions and rarefactions on the medium they move through. P waves are also called pressure waves for this reason.