Voltaic cells can be divided into two basic types: ____.

a. large and small
b. primary and secondary
c. conductors and insulators
d. positive and negative


b. primary and secondary

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A clustering approach has been suggested to locally collect and “aggregate” information in a sensor network. What kind of aggregation is desirable?

What will be an ideal response?

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Publishers have found that ink that uses ____________________ oil is a good replacement for ink made with petroleum oil

Fill in the blank(s) with correct word

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Fungi tend to be the dominant group of microorganisms in acid, sandy soils

Indicate whether the statement is true or false

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What are fire rings designed to do as a cylinder head is torqued?

A. Stay rigid. B. Hold their shape for repeated use. C. Temporarily protect the cylinder bore flange until the head gasket makes a seal. D. Deform to create the best possible seal.

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