Welding Has Changed Dramatically Over the Last Decade with More

question 112

Multiple Choice

Welding has changed dramatically over the last decade with more welding jobs dependent on the use of computers. This change increased the demand for welders with computer skills and decreased the demand for welders who lack these skills and is an example of when technology is a ________ to a high-skilled job and a ________ to a low-skilled job.

• A) complement; substitute
• B) complement; complement
• C) substitute; complement
• D) substitute; substitute

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Definitions:

Isostatic Rebound

The rise of land masses that were depressed by the huge weight of ice sheets during the last glacial period, through a process of readjustment.

Ice

Water frozen into a solid state, which can appear transparent or a more or less opaque bluish-white color, depending on the presence of impurities.

River Terraces

Step-like landforms alongside rivers, formed by the erosion of sediments and changes in water level.

River Terraces

Step-like landforms found alongside river valleys, created as a river cuts downward into its bed while leaving remnant levels of previous floodplain as terraces.