____, such as Calceolaria, Cineraria and Hibiscus, need long days to trigger blooms

a. Photonecessity plants c. Light-duration plants
b. Day-plants d. Long-day plants


D

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What does the differential amplifier detect?

What will be an ideal response?

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Normal water-reducing admixtures can maintain the consistency of concrete while decreasing the water content by _____.

a. 5 to 10 percent b. 10 to 15 percent c. 15 to 20 percent d. 20 to 30 percent

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The strength of the magnetic field of a permanent magnet can be changed easily

Indicate whether the statement is true or false

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Typical voltages for semiautomatic FCAW are:

A) 20-24 V B) 24-25 V C) Above 30 V D) 25-29 V

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