____ grids, strong enough to support vehicle traffic, installed over a gravel sub base and filled with vegetation are another porous paving option.
A. Plastic-covered fiberglass
B. Fiberglass-covered plastic
C. Plastic
D. Fiberglass
Answer: C
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CEC refers to carbon exchange capacity
Indicate whether the statement is true or false.
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What information is obtained when the firing rate of the appliance in BTUs is divided by the BTU heating value of the gas used?
What will be an ideal response?
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With proper nutrition and care, most birds live 2 to 5 years.
Answer the following statement true (T) or false (F)
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Lead-acid batteries may contain what gases?
A) Hydrogen B) Oxygen C) Both A and B D) Neither A nor B
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