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... (2): True : Seismic waves are propagated in a circular area on the earth surface...

...surface from greater depths by volcanic activity, analysis of the seismic waves that pass through the Earth, measurements of the gravity field of the...

...can withstand, the rock breaks suddenly and energy is released as seismic wave . Earthquake occurs and the San Andreas fault ...

.... until suddenly one plate gives way causing earthquakes ( seismic waves travel in all directions cause vibrations). and aftershocks...

...elastic limit of the rock, the rock breaks and rebounds, causing seismic waves which cause the ground to shake, which is called an earthquake.

...年 的 地 震 所 產 生 的 地 震 震 波 ( seismic waves ) ， 發 現 南 北 方 向 行 走 的 ...

Mostly by any seismic activities such as earthquakes and atomic bomb... of these events will generate a lot of mechanical waves . By detecting how these waves travel, ...

1.) 9(3^(x+1)) = 27^2x 3^2(3^(x+1))=3^3(2x) 3^(2+x+1)=3^6x x+3=6x 5x=3 x=3/5 2.) bacteria are there initially is when t=0 N=1000(1.24^2t) N=1000(1.24^2(0)) N=1000(1.24^0) N=1000(1) N=1000 3.) difference in magnitudes of the two earthquakes =[log...