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The device, created during the 1920s, used to measure ocean depths with sonar was the _______

The upfolding of the surface is referred to as a/n

During the mid-1600s, which school of thought governed understandings regarding Earth’s history?

Surface circulation is deflected by the _______ which is caused by Earth’s rotation.

______________ are fractures along which no appreciable displacement has occurred.

_______ rich magmas are fluid, with low gas content.

Which of the following is true of glaciers?

The transfer of rock and soil downslope, under the influence of gravity is _______

_______ are areas of permeable rock strata or sediments that transmit water flow easily.

The _______ is the amount of time it takes for half of the remaining parent isotopes to decay into daughter isotopes.