<span>NADH and FADH2 are part of the Calvin cyle, so A and B are incorrect. I'm not sure, but I think that cytochrome C to oxygen has to do with cell division. The correct answer is D, the electrons are passed from reduced ubiquinone (QH2) to cytochrome, C, one at a time.</span>
Kilo-1,000
deci-1/10
centi-1/100
milli-1/1000
A. True
B&C. Oil and natural gas
The fact that it turns from liquid to vapor, means you're dealing with the boiling point of the substance. If its temperature doesn't vary during the turning of phase, it means the substance is pure. In this case, since it becomes liquid at 100ºC , it might probably be water.
I hope this helps :)