In which of the following horizons has the process of illuviation most likely occurred?
A) A horizon B) C horizon C) E horizon D) O horizon E) B horizon
E
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The ________ is the maternal tissue where the megaspore mother cell undergoes ________ to form the cells in the embryo sac.
Fill in the blank(s) with the appropriate word(s).
In a typical wood stair, the number of stringers required is determined by the
A) thickness of the treads. B) spanning capacity of the carriage material. C) width of the stair. D) floor-to-floor height. E) all of the above.
Technician A says that the hybrid Silverado/Sierra do not use conventional starters or alternators. Technician B says that these units were replaced with a three phase AC electric motor to do the job of both. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Setting the time base to 50 ms per division will allow the technician to view a waveform how long in duration?
A) 400 ms B) 500 ms C) 50 ms D) 200 ms