Combustion with a perfect stoichiometric mix of oil and air produces a vent gas CO2 percentage of:

A) 10.5 percent. B) 12.5 percent. C) 15.5 percent. D) 9.5 percent.


C

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Two methods are used to support earth pressure on a basement wall. In one of these, the basement wall supports the earth pressure and is commonly used where the site is much larger than the building's footprint to allow open excavations. The second method is used on a tight site, where the building's footprint covers the entire site or most of it. What type of excavation support system is used in

the second method? What will be an ideal response?

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Many species will most likely go extinct if they do not have the ability to _____ their surroundings

a. hide in b. adapt to c. find food in d. attract a mate in

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Resampling involves changing a picture's pixel dimensions by _____ pixels from an original image

a. recoloring b. reorganizing c. adding or subtracting d. copying or erasing

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A 6-corner box-end wrench is _______ than a 12-corner wrench

A. lighter B. heavier C. weaker D. stronger

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