Whose earlier work allowed Charles Darwin to expand and explain his theories of natural selection?

a. Carolus Linnaeus
b. Joseph Banks
c. Thomas Malthus
d. Adam Smith


c. Thomas Malthus

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What problems may occur in an endothermic reaction process when there is excessive cooling?

A. Melting of polymers B. Lower viscosities C. Crystallization in liquids D. Runaway reaction

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Early spring lambs are born during ____________________ and ____________________

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

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While having a discussion about lifts, Technician A says that a fully hydraulic lift has a self-contained air/oil reservoir. Technician B says that it is the semi-hydraulic lift that has a self-contained air/oil reservoir. Who is correct?

A. A only B. B only C. Both A and B D. Neither A nor B

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____ are designed to use the computer to lay out a printed circuit board.

A. Jumpers B. Pads C. Autorouter programs D. Paper dolls

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