________ Are Smoothly Tapered, Elongated Hills of Till Shaped by an Overriding

question 17

Short Answer

________ are smoothly tapered, elongated hills of till shaped by an overriding continental ice sheet.

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Definitions:

Crystalline Basement

The crystalline (metamorphic and igneous) rocks that underlie sedimentary and volcanic rocks in an area; widely exposed in the continental shield.

Broad Domes

Broad domes refer to large, rounded structures on the Earth's surface, often created by the slow uplift of the underlying strata.

Extension

The process or state of increasing in length, area, or volume, often referred to in geology as the stretching and thinning of the Earth's crust.

Subduction Zone

A region of the Earth's crust where one tectonic plate moves under another, leading to volcanic activity and earthquakes.