A pH of ____________________ is neutral
Fill in the blank(s) with correct word
7.0
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In the relay method of isolation, the CPU is isolated through the use of a(n) ____.
A. LED B. laser C. electrostatic buildup D. magnetic field
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Which type of multi-orifii injector nozzle sometimes uses an accumulator in place of a leakoff circuit?
A. pencil injectors B. valve closes orifice (VCO) C. high spring injectors D. low spring injectors
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Which of the following has not been cited by the Federal Water Pollution Control Administration as the largest contributor to industrial thermal pollution?
A) chemical companies B) electric power plants C) steel manufacturing plants D) land development companies
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Of the nutrients needed by most plants, ____ come from soil
a. three b. twenty c. most d. all
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