Are all of the following affected by organic matter?

1. Nutrient and water storage
2. Nutrient availability
3. Soil aggregation
4. Runoff and erosion prevention



Indicate by YES (Y) or NO (N).


Y

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If the symbol shows the movable contact touching but below the stationary contact, this indicates that the switch is ____.

A. normally open held closed B. normally closed held open C. normally closed D. normally open

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Every electric motor must have a(n) ____.

a. contactor b. controller c. overload unit d. disposal

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A good ____________________ will show high resistance in one direction and low resistance in the opposite direction.

Fill in the blank(s) with the appropriate word(s).

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Which tool is best to measure linear distance?

A) Micrometer B) Machinist rule C) Dial indicator D) None of these

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