Describe a way to prevent the buildup of rust staining on a nacelle or tower.

What will be an ideal response?


Rust stains can be prevented by removal of corroded components that can supply rust particles to rain water runoff. Cleaning, coating, or replacement of corroded steel parts will eliminate the source of rust particles.

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Plants that are grown and plowed under while green in order to provide organic matter and nutrients to the soil are known as ______________________________

Fill in the blank(s) with correct word

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The first people to work toward preserving nature and the environment were

A. typically members of the upper classes from cities and medium-size towns. B. Native Americans. C. primarily women. D. immigrants from Japan and China. E. cattle ranchers in the Dakotas.

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After Napoleon’s defeat at Waterloo, which relative of the executed Louis XVI did the allies install as Louis XVIII of France?

a. his son b. his uncle c. his brother d. his nephew

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A 5-bit Johnson counter will have ________ possible stages

A) 8 B) 16 C) 10 D) 2

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