_______Averages Roughly 7 Km Thick

Q25: _makes up the largest proportion of Earth

Q26: What is the value of long range

Q27: The ocean ridge systems that make up

Q28: In the open ocean, tsunamis travel at

Q29: Examine the words and/or phrases below and

Q31: Oceanic crust is composed primarily of_ .<br>A)

Q32: Which of the following is determined by

Q33: P waves_ .<br>A) produce the strongest ground

Q34: Which one of the following statements is

Q35: The earliest seismographs were designed by the