The answer is B I believe!
Answer:
<em>i</em><em> </em><em>gu</em><em>ess</em><em> </em><em>it</em><em>'s</em><em> </em><em>gender</em>
<em>hop</em><em>e</em><em> this</em><em> helps</em>
S waves are slower than P waves and they can only travel through solid rock. S waves move the particles it pushes through up and down or side to side (perpendicular to the motion of the S waves energy).
They are both the building blocks of life
