What Is the Fossil Fuel Cost of Powering a Wind

question 65

Multiple Choice

What is the fossil fuel cost of powering a wind turbine?

• A)75%
• B)50%
• C)25%
• D)10%
• E)0%

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Definitions:

Hogback

A narrow ridgeline with steep slopes on both sides, commonly formed from the erosion-resistant edge of a tilted sedimentary rock layer.

Unmetamorphosed Sandstone

Sandstone that has not undergone metamorphism and retains its original sedimentary characteristics.

Cleavage

The tendency of a mineral to break along flat planar surfaces as determined by the structure of its crystal lattice.

Foliation

A feature of metamorphic rocks where mineral grains are arranged in planes or bands, giving the rock a layered appearance.