Biodiesel, biomass, methane, and ____________________ are the most common forms of biofuel
Fill in the blank(s) with correct word
ethanol
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Iron deficiency is most likely to occur under which of the following soil conditions?
A) leached humid region sandy soil limed to pH 8.0 B) well drained humid region loamy sand (Spodosol) with pH 5.0 C) silt loam Mollisol with pH 7.5 D) muck soil (Saprist) with pH 5.5 E) soil with pH 4.3 and subject to frequent flooding
A very common problem with transmission line communications involves what type of failure between communications terminals?
A. Capacitor B. Antenna C. Cable D. Voltage
What are volatile organic compounds, and how are they emitted from a motor vehicle?
What will be an ideal response?
Pulse width modulated water valves are electronically controlled by electrical impulses from:
A. The control unit B. The heater core C. The evaporator D. Control panel cable