____________________ balance refers to the balance nature has regarding the number of living things in a given area
Fill in the blank(s) with correct word
Ecological
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Which of the following tailpipe emissions is not currently classified as a noxious emission?
A. carbon monoxide B. carbon dioxide C. sulfur dioxide D. oxides of nitrogen
Does the total number of moles of liquid increase, decrease, or remain unchanged?
A closed, nonreactive system contains species 1 and 2 in vapor/liquid equilibrium. Species 2 is a very light gas, essentially insoluble in the liquid phase. The vapor phase contains both species 1 and 2. Some additional moles of species 2 are added to the system, which is then restored to its initial T and P.
The takeout of a butt weld fitting is the distance _____.
a. from one end of the fitting to the center of the fitting b. from one side of the fitting to the other c. between the welds d. the fitting is removed from the pipe line
To process refrigerant to new product specifications is called ____.
A. recovery B. renew C. reclaim D. recycle