Which of the following is NOT a problem associated with growing vegetables?

a. Protecting the soil
b. Maintaining organic matter content
c. Controlling nitrate leaching
d. Excessive plant residues


D

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A ground fault circuit interrupter (GFCI) is designed to

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Commercial generators in the United States are standardized to produce ____ cycles per second.

a. 30 b. 60 c. 90 d. 120

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What type of transmission is it when start/stop pulses are used in the coding of signals?

A. Synchronous B. Binary C. Asynchronous D. Alphanumeric

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In the binary floating-point number format, if the sign bit is zero, the number is

A) in 2's complement form. B) a positive number. C) a negative number. D) either a positive or negative number.

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