Question

True or false: Some liquids are leaking from the lowest level of a fractional distillation column in an oil refinery. It is possible to find ethane in the leak. PLEASE EXPLAIN THE ANSWER THANK YOU!

Answer 1

Answer:

the seller and give reason to you the seller and give reason to you the seller yyy

Answer 2

Answer:

It appears that the function of melatonin is to mediate dark signals and provide night information, a “hormone of darkness,” rather than be the hormone of sleep. It has also been thought to be an “endogenous synchronizer” that stabilizes and reinforces various circadian rhythms in the body.Jul 9, 2012