Secondary Waves Can Travel Through All Areas of Earth Except

Q40: Oceans are about four times as deep

Q41: The theory of seafloor spreading is supported

Q42: The Mohorovicic discontinuity marks the change in

Q43: The Mohorovicic discontinuity was discovered by observing<br>A)earthquake

Q44: Motion in a P-wave is<br>A)side to side.<br>B)transverse.<br>C)longitudinal.<br>D)up

Q46: Isostasy is<br>A)crustal equilibrium relative to the mantle.<br>B)the

Q47: A seismograph<br>A)predicts earthquakes.<br>B)measures ground movement.<br>C)helps prevent earthquakes.<br>D)measures

Q48: The Mercalli scale measures an earthquake's<br>A)effects.<br>B)damage.<br>C)intensity.<br>D)intensity,damage,and overall

Q49: The longest mountain chain in the world

Q50: When you stretch a rubber band,you are