In order for nitrate to form from soil organic matter, ________ must be present in the soil
A) Nitrosomonas
B) Nitrobacter
C) either A or B
D) both A and B
E) none of the above
D
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When writing for computer-generated slide presentations, you should always use _____ verbs
a. active b. passive c. dramatic d. subtle
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Write the matrix form of the mesh equations again by using the following formulas:
rii = resistances around loop i
ri j = ? resistances shared by loops i and j
Vi = source voltages around loop i
For the circuit of Figure P3.19, write the mesh equations in matrix form. Notice the form of the [R] and [V] matrices in [R] [I ] = [V], where
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Confined spaces are hazardous because of the potential to trap toxic and/or explosive vapors and gases.