Air does have weight. 14.7 psi in fact. Most of the air is Nitrogen gas, which is 2 atoms of nitrogen. There is also Oxygen gas (O2). Finally there is Carbon Dioxide (CO2). There is also a small percentage of other gasses, but they are insignificant.
B1 (Thiamine), because chronic alcoholics often have poor nutrition, and Thiamine deficiency in the brain can lead to "Wernicke Encephalopathy."
Thyroxine is not produced.
thyroxine help for growth and methabolic rate
It is a 25% chance of both of them being heads.
