Because of ________, soils developed in marine marshes can become extremely acid if drained for agriculture or used as topsoil
A) oxidation of sulfides
B) reduction of elemental sulfur
C) reduction of sulfates
D) oxidation of sulfates
E) all of the above
A
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The 8051 microcontroller module has
A) I/O buffers, control latch, and an PROM interface. B) I/O buffers, control latch, and an ROM interface. C) I/O buffers, data latch, and an EPROM interface. D) I/O buffers, an address latch, and an EPROM interface.
A bolt is described as M8 X 1.5. Technician A says that the bolt is 8 mm long. Technician B says that this is a UNF bolt. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
To judge a class of hogs, observe them from a distance of about how many feet as they move around?
A. 20 B. 15 C. 10 D. 4
You test governor cut-out pressure to be exactly at specification but governor cut-in is too low. What should you do FIRST?
A. raise to specification adjusting the governor B. check the operation of the unloader circuit C. replace the governor D. replace the compressor