Pyrolysis results in emanation of all but which of the following?
A. tar
B. flammable hydrocarbon vapors
C. nitrogen (N2)
D. water vapor
Answer: C
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What does the following element description actually mean?
U
A. a uranium atom with 238 neutrons and 92 protons B. a uranium atom with 92 neutrons and 146 protons C. a uranium atom with 92 protons and 146 neutrons D. a uranium atom with 92 neutrons and 238 protons E. none of the above
The production of dew is mainly the result of ____
A) conduction B) radiational cooling C) cooling due to the release of latent heat D) advection
Examining your flight plans for a trip from Atlanta, Georgia, to Seattle, Washington, and back, you notice that the total time in the air for the flight to Seattle is much longer than the flight back to Atlanta
Then it occurs to you that this is probably because of the impact of A) the jet stream. B) several weather fronts along the way. C) the mixing of the troposphere and stratosphere. D) changes in time zones as you fly between the east and the west.
Where do the toxic gases and leachates come from that are the result of mining for gold?
A. Sulfur compounds in the ore B. Heavy metals used in the operation of mining for the gold C. Chlorine compounds in the ore D. Cyanide used in the operation of mining for the gold E. Carbon compounds in the ore