It is important to use cover crops to prevent soil erosion
Indicate whether the statement is true or false
T
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The cation exchange capacities of alkaline soils are generally higher than those of acid soils (Vertisols excepted). Which of the following characteristics of alkaline soils most likely accounts for this high CEC?
A) high content of hydrous oxides of iron and aluminum B) high content of 2:1 type clays C) high exchangeable calcium D) high exchangeable sodium content E) high humus content
A three-bit binary down-counter counts from
A) 8 to 0. B) 8 to 1. C) 7 to 0. D) 0 to 7.
A water regulating valve helps to maintain a system's head pressure by modulating the flow of refrigerant through the condenser.
Answer the following statement true (T) or false (F)
?Technician A says when the transmission is in gear, the fluid coupling allows the vehicle to stop without stalling. Technician B says this is because the impeller doesn't rotate fast enough to drive the turbine. Who is correct?
A. ?A only B. ?B only C. ?Both A and B D. ?Neither A nor B