Which of the following has dramatically increased the genetic improvement of plants?
a. pollination control
b. isolation in breeding
c. pollination control and isolation in breeding
d. neither pollination control nor isolation in breeding
C
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Technician A says digital voltages vary in strength. Technician B says digital voltage is a specific value when on or off. Who is correct?
A. Technician A B. Technician B C. Both A and B D. Neither A nor B
What should happen when a security monitoring device is activated? Select all that apply.
A) The event should be recorded. B) The event should be annunciated in an appropriate way. C) There should be a telecon to the local fire department.
Jacob has 78 acres of alfalfa hay. He expects a yield of 2.8 tons per acre. Jacob is using a square baler, which bales a 16-by-18-by-40-inch bale averaging 85 pounds.
a. How many tons of hay are expected? b. How many bales are expected? c. How many cubic feet does it take to store the hay?
El dispositivo que se usa para convertir información de temperatura de un termistor a una forma que pueda procesar un sistema de control digital es un:
a. convertidor de digital a analógico. b. modulador. c. convertidor de analógico a digital. d. relé electrónico.