After a Painful Search,Descartes Concluded That the Only Thing of Which

question 28

Multiple Choice

After a painful search,Descartes concluded that the only thing of which he could be certain was:

• A)Scholasticism
• B)the writings of Plato,Aristotle,and the early Christian philosophers
• C)the fact that he doubted
• D)the fact that he had no doubts

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Definitions:

USGS Geologist

A scientist specializing in the study of the Earth and its processes, who works for the United States Geological Survey.

Oceanic Crust

The relatively thin part of the Earth's crust that underlies the ocean basins, composed of dense basaltic rock.

Seismic Tomography

A technique for imaging the Earth's interior by analyzing differences in the speed of seismic waves as they travel through different materials.

D'' Layer

The lowermost boundary layer of the Earth's mantle, situated just above the outer core.