|
|
3
|
glacier movement
|
5
|
reverse its direction in the Earth's magnetic filed
|
6
|
two close palte that motion in opposite direction
|
8
|
age of oceanic crust
|
9
|
the study of the Earth's magnetic field
|
10
|
the theory which explains the branch of geology studying the folding of the Earth's crust
|
12
|
the region where magma breaks and forms a new sea floor
|
13
|
a theory is witten by Peter Mettler
|
14
|
a lively entertainment spot
|
15
|
a pattern of alternating stripes in rock on the sea floor
|
16
|
suddenly, the ground shakes under Earth's surface
|
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