The term that describes a group of genetically similar plants that can be distinguished from other groups within the same species is:

a. crop c. selection
b. cultivar d. F1 generation


B

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For floating structures that are installed to rise and fall in response to the water level on a natural or manmade body of water, the electrical datum plane is 30 inches (76.2 cm) above the point at which the floating structure touches the water. What is the minimum distance of the electrical datum plane above the deck level of the structure?

a. 12 inches b. 15 inches c. 20 inches d. 35 inches

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List the three categories of respirators.

What will be an ideal response?

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Which of the following applications does not demonstrate the importance of maintaining isolation for the neutral or grounded-circuit conductor?

A. Ground-fault circuit interrupters B. High-impedance grounded neutral systems C. Ground-fault protection of equipment D. Isolated systems in health care facilities

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Under the leadership of Richard Allen, black delegates from Pennsylvania, New York, Delaware, Maryland, and Virginia endorsed immigration of free black Americans to __________

A) England B) Canada C) Haiti D) Liberia

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